Term
| Technique where breeder selects specific traits is called:____ |
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Definition
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Term
| What is the concept that evolution occurs over long periods of stability that are interrupted by geologically brief periods of change? |
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Definition
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Term
| The alteration of allelic frequencies by change events is:____ |
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Definition
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Term
| Type of selection that favors average individuals in population: |
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Definition
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Term
| Adaptation to let animal blend in with it's environment: |
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Definition
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Term
| Structural adaptation where animal copies another organism's structure: |
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Definition
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Term
| Total number of genes present in a population: |
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Definition
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Term
| Percentage of particular allele in a population: |
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Definition
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Term
| Any species with multiple set of chromosomes is known as:____ |
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Definition
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Term
| Mechanism for change in population where organisms with favorable variations live, reproduce, and pass on traits: |
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Definition
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Term
| Any structure that is reduced in function in a living organism but may have been used in history is called:___ |
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Definition
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Term
| Evolution of ancestral species into an array of species that occupy different niches:____ |
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Definition
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Term
| Tiny organisms that break down and absorb nutrients from dead organisms: |
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Definition
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Term
| Study of interaction of organisms and their environments is called _____ |
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Definition
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Term
| Obtains energy by feeding on other organisms |
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Definition
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Term
| Relationship where both species benefit: |
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Definition
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Term
| A step in the passage of energy and matter through an ecosystem: |
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Definition
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Term
| Network of interconnected food chains is ____ |
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Definition
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Term
| Place where organism lives its life: |
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Definition
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Term
| One species benefits and other is neither harmed nor benefited: |
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Definition
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Term
| One species benefits at expense of another: |
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Definition
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Term
| Portion of Earth that supports life: |
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Definition
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Term
| Makes nutrients using energy from sun or chemical compounds: |
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Definition
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Term
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Definition
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Term
| Collection of interacting populations: |
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Definition
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Term
| Simple model for showing how matter and energy move through ecosystems: |
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Definition
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Term
| Wind, humidity and _____ would be considered abiotic factors. |
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Definition
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Term
| The size of a population does not depend directly on the availability of ______. |
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Definition
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Term
| To show how the weight of living material at each trophic level of a food chain changes, you could use ______. |
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Definition
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Term
| In nitrogen cycle, bacteria and ______ convert nitrogen to be usable by plants. |
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Definition
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Term
| Some energy that passes through a food chain is lost to the environment as ______ |
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Definition
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Term
| Carbon and nitrogen are released back into the atmosphere during ______ |
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Definition
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Term
| Both algae and fungus of a lichen benefit from relationship. This is called ______ |
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Definition
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Term
Which of these includes all the rest?:
trophic level, food web, food chain. |
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Definition
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Term
Which of these includes all the rest?:
parasitism, mutualism, commensalism, symbiosis. |
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Definition
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Term
Which of these includes all the rest?:
organism, ecosystem, population, community. |
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Definition
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Term
Which of these includes all the rest?:
ecosystem, biosphere, biotic factors, abiotic factors. |
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Definition
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Term
Which of these includes all the rest?:
omnivore, consumer, carnivore, herbivore, scavenger, decomposer. |
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Definition
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Term
Which of these includes all the rest?:
evaporation, precipitation, water cycle, condensation, urination. |
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Definition
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Term
| Ability of an organism to withstand changes in biotic and abiotic factors: |
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Definition
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Term
| First species to live in an area: |
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Definition
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Term
| Shallow marine environments along the coastline: |
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Definition
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Term
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Definition
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Term
| What biome occupies more area that any other terrestrial biome? |
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Definition
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Term
| Natural disasters and human actions can be the cause for: ______ |
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Definition
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Term
| What is characterized by many species of organisms and with little or no change? |
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Definition
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Term
| Tropical rainforest and _____ are both characterized by a nutrient-poor topsoil. |
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Definition
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Term
| The presence of carniferous trees as the dominant climax plant characterize the ______ biome. |
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Definition
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Term
| Water temperature and light are two ______ factors that affect organisms in a deep lake. |
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Definition
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Term
| The tide effects the ______ in water. |
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Definition
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Term
| During primary succession, the decay of pioneer species results in the formation of ______. |
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Definition
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Term
| The greatest number of organisms is foud within the ______ range of environmental conditions. |
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Definition
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Term
| The taiga is an arid region. |
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Definition
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Term
| Small organisms that live in sunlit areas of the ocean are pioneer species. |
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Definition
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Term
| Humus is a layer of soil that is permanently frozen. |
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Definition
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Term
| Portion of marine biome shallow enough for sunlight is the photic zone. |
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Definition
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Term
| Conditions that restrict the existance or reproduction of organisms are ranges of tolerance. |
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Definition
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Term
| Colonization of new sites by communities of organisms is secondary succession. |
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Definition
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Term
| A climax community is a stable community with little or no change. |
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Definition
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Term
| Large group of exosystems characterized by the same type of climax community is called taiga. |
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Definition
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Term
| Portion of shoreline between high and low tide lines is the aphotic zone. |
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Definition
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Term
| Body of water near coast that is partially surrounded by land and contains both fresh and salt water is the inertidal zone. |
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Definition
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Term
| Succession is the replacement of a species as environmental conditions change. |
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Definition
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Term
| The temperate forest is dominated by broad leaved, hardwood trees. |
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Definition
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Term
| Primary succession is the sequence of changes that takes place after a community is disrupted. |
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Definition
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Term
| As a result of digestion, proteins are broken down into ______. |
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Definition
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Term
| Vitamins are used by the body to ______. |
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Definition
| regulate processes in the body |
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Term
| Hormone that stimulates liver to release glucose into the blood is called ______. |
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Definition
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Term
| Cellulose is important in the diet as a source of ______. |
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Definition
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Term
| Most abundant source in the body is ______. |
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Definition
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Term
| What is the body's preferred energy source? |
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Definition
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Term
| What is the first section of the small intestine called? |
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Definition
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Term
| What occurs in the large intestine as the work of anaerobic bacteria? |
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Definition
| synthesis of vitamin K and some B vitamins |
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Term
| food is moved through the digestive tract through a series of involuntary muscle contractions called: _______ |
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Definition
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Term
| the liver reacts to a high level of glucose in the blood by converting some of the glucose to:_____ |
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Definition
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Term
| hormone that causes decrease in blood glucose:________ |
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Definition
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Term
figure 35-1:
in figure, where does digestion first take place? |
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Definition
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Term
Figure 35-1:
In figure, where is stomach acid neutralized? |
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Definition
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Term
Figure 35-1:
In figure, when does food normally stop being liquid? |
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Definition
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Term
Figure 35-1
In figure, where is bile produced? |
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Definition
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Term
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Definition
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Term
| Part of the digestion tract? |
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Definition
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Term
| Hormone that keeps both the fluid level of the body and blood pressure from decreasing:____________ |
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Definition
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Term
| the surface of the small intestine is greatly increased by _________ |
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Definition
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Term
Which of the following is not mechanical digestion?:
chewing food, churning of stomach, action of pepsin on proteins, contractions of small intestine |
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Definition
| action of pepsin on proteins |
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Term
| a _______ is any drug that speeds up the activities of the nervous system. |
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Definition
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Term
| cocaine is a stimulant because it: ________ |
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Definition
| causes levels of neurotransmitters in the brain to increase |
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Term
| you can see the colors in a picture because you are aided by the ___________ |
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Definition
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Term
| what is any drug that inhibits transmission of sensory impulses at a synapse called? |
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Definition
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Term
| a person who is addicted to a drug is experiencing withdrawal when he or she _________ |
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Definition
| becomes ill after stopping its use |
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Term
| a nerve impulse travels from one cell to another by passing from _____________ |
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Definition
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Term
| the _________ is the area of the brain that controls involuntary activities such as breathing and heart rate. |
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Definition
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Term
| which part of the brain controls conscious activities such as breathing? |
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Definition
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Term
| alcohol may act on the CNS(central nervous system) by ________ |
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Definition
| blocking the movement of sodium and calcium ions across the cell membrane |
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Term
| sensory neurons can ___________ |
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Definition
| carry impulses from outside and inside the body to the brain and spinal cord |
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Term
Figure 36-3
Where do neurotransmitters end up in the figure? |
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Definition
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Term
Figure 36-3
Which part of the figure is affected most by drugs? |
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Definition
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Term
Figure 36-4
When is a nerve located in the organs in the figure? |
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Definition
| Relatively deep in the body |
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Term
| many pathogens enter the host by producing ___________ |
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Definition
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Term
| mosquitoes are the _____ of malaria |
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Definition
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Term
| a _________ is a protein produced in response to an antogen |
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Definition
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Term
| A pathogen that passes from one host to another is said to be _________ |
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Definition
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Term
| saliva and tears contain ________ and enzyme that contains many bacteria |
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Definition
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Term
| a reaction by tissues to any type of injury by swelling, pain, heat is called what? |
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Definition
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Term
| koch's postulates cannot be carried out because they __________ |
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Definition
| cannot be grown outside of the cells |
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Term
| HIV can be transmitted by ____________ |
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Definition
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Term
| active immunity is obtained when a person is exposed to ___________ |
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Definition
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Term
| which of the following is one of koch's postulates? |
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Definition
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Term
| a person with AIDS is susceptible because HIV does what? |
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Definition
| weakens the immune system |
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Term
| a bacterial disease because difficult to cure when the bacteria do what? |
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Definition
| develop resistance to antibiotics |
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Term
| interferons are the body's defense against __________ |
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Definition
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Term
| A fever may be helpful in curing a disease because having a temp higher than normal does ___________ |
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Definition
| it interferes with the matabolism |
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Term
| which is part of aquired immunity? |
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Definition
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Term
which of the following is part of acquired immunity?:
a compliment or antibodies? |
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Definition
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Term
Figure 39-1(Penicillin Treatment)
according to the data on this figure, hypothesize how the pathogen at day 10 is different than at day 1. |
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Definition
| day 10 is resistant to antibiotics |
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Term
Figure 39-1(Penicillin Treatment
based on this figure, why do doctors recommend taking all of a medication even if symptoms disappear? |
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Definition
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