Shared Flashcard Set

Details

Final Review 2nd Semester
N/A
151
Biology
9th Grade
05/25/2015

Additional Biology Flashcards

 


 

Cards

Term
Equation for photosynthesis
Definition
6 CO2 + 12 H2O + light energy = C6H12O6 + 6 O2
Term
Sequence levels of organization
Definition
Organism- Organ system- Organ- Tissue- Cell- Organelle- Macromolecule- Atom
Term
What is a Granum?
Definition
Sight of Light Ind. Reactions, Stacked Thylakoids, Located in the Chloroplasts
Term
What are the three parts of the circulatory system?
Definition
Heart, Blood Vessels, Blood
Term
What is the Thylakoid Membrane?
Definition
Sight of Light Ind. Reactions, Contain Chlorophyll
Term
What are the types of blood vessels and characteristics of each?
Definition
1. Arteries- carry blood away from heart, have valves
2. Capillaries- tiniest & thinnest, connect arteries to veins
3. Veins- carry blood toward heart
Term
What is the Stroma?
Definition
Fluid in chloroplast, site of Calvin Cycle, contains ATP and NADH
Term
What is hemoglobin and what enables it to carry oxygen?
Definition
Iron containing O2 transport system, iron attracts O2 molecules
Term
What is chlorophyll?
Definition
Green pigment found in chloroplasts
Term
What is pulmonary circulation?
Definition
Circulation of oxygenated and deoxygenated blood throughout the heart
Term
What are carotenoids?
Definition
Accessory Pigments
Term
What are the chambers of the heart?
Definition
Right Atrium Right Ventricle, Left Atrium, Left Ventricle
Term
What is the Stomata?
Definition
opening in the leaf that allows for gas exchange
Term
Describe blood flow throughout heart, starting at the veins.
Definition
Veins- Superior Vena Cava- Right Atrium- Tricuspid Valve- Right Ventricle- Pulmonary Valve- Pulmonary Arteries- Lungs- Left Atrium- Bicuspid Valve- Left Ventricle- Aortic Valve- Aorta- Through Body
Term
What are the wavelengths of the electromagnetic spectrum used by photosynthesis?
Definition
Carotenoids, Chlorophyll a & b
Term
Describe the structures involved in gas exchange in the lungs.
Definition
Trachea, Bronchus, Bronchi, Bronchioles
Term
What is a photon?
Definition
light energy source, energy reactant for light ind. reactions
Term
Where does gas exchange take place in the body?
Definition
Alveoli
Term
What are the REACTANTS of Light Independent Reactions?
Definition
Light energy, water
Term
What is the function of the lymphatic system?
Definition
Carries leaked out fluid (lymph) from cardiovascular system
Term
What are the PRODUCTS of Light Independent Reactions?
Definition
O2, ATP, NADPH
Term
What is Homeostasis?
Definition
Internal balance of the environment in the human body
Term
Function of Electron Transport System.
Definition
As electrons pass through ETC, H+ ions are passed through the membrane creating ATP through Chemiosmosis
Term
What are three major factors that must be constantly regulated to keep body in homeostasis?
Definition
Body Temp, Blood Glucose, Elimination of Nitrogenous Wastes
Term
What is Chemiosmosis?
Definition
As ATP is synthesized, H+ ions are passed BACK through membrane from low to high concentration
Term
What prevents food from going into the trachea?
Definition
Epiglottis
Term
What are the REACTANTS of the Calvin Cycle?
Definition
CO2, ATP, NADPH
Term
What is peristalsis?
Definition
Contraction of muscles in the esophagus
Term
What are the PRODUCTS of the Calvin Cycle?
Definition
G3P, ADP+P, NAD+
Term
What are the organs of the digestive system?
Definition
Alimentary Canal, Liver, Pancreas, Gallbladder
Term
What is the carbon source for photosynthesis?
Definition
CO2
Term
What is the source of oxygen from photosynthesis?
Definition
Light dependent from spitting H2O molecules
Term
What is the equation for cellular respiration?
Definition
C6H12O6 + 6O2 = 6O2 + 6H20 + 32 ATP
Term
What is oxidation and reduction?
Definition
Oxidation is loss of electrons, Reduction is gain of electrons
Term
Where does cellular respiration take place? (2 places)
Definition
Cytoplasm (Glycolysis) and Mitochondria (Matrix- Krebs cycle, Inner Membrane- ETC)
Term
What is Glycolysis?
Definition
Breaks down carbs through fermentation and makes ATP
Term
Where do the products of the Krebs cycle go?
Definition
Into Stroma
Term
What is Aerobic vs. Anaerobic
Definition
Oxygen vs. No Oxygen
Term
What is the Krebs Cycle?
Definition
Reactions that involve oxidation (loss of) acetyl compounds to product high-energy phosphate compounds
Term
What are the REACTANTS of the Krebs Cycle?
Definition
Pyruvate, NAD+, CoA enzyme, FAD, ADP
Term
What are the PRODUCTS of the Krebs Cycle?
Definition
CO2, NADH, FADH2
Term
What are the electron carriers and where do they go?
Definition
NADP and FADH2, ETC
Term
what is Ingestion?
Definition
process of taking food into the body (0ccurs in mouth)
Term
what is Digestion?
Definition
process of decomposing food into substances that can be absorbed into the body (Alimentary Canal)
Term
What is Absorption?
Definition
process of absorbing nurturance into the body (Majority in Small Intestine)
Term
What is Elimination?
Definition
the process of removing useless of harmless wastes (Anal Cavity and Large Intestine)
Term
Where do electrons go and why?
Definition
Oxygen as the final electron acceptor
Term
What are the two end products of fermentation?
Definition
Lactic acid and alcohol
Term
Sequence the breakdown of glucose.
Definition
Glucose- Glycolysis- 2 pyruvate- with O2- Krebs
Term
what are villi, where are they & what do they do?
Definition
fingerlike projections in the small intestine to increase surface area
Term
What is the functional unit of the kidney?
Definition
Nephron
Term
What is the function of the kidney?
Definition
Filtrate, Reabsorb H2O, Selective Reabsorption, Tubular Excretion, Further H2O Absorption
Term
What are the parts of the kidney?
Definition
Renal Artery, Renal Cortex, Renal Vein, Renal Medulla, Renal Pelvis, Nephrons
Term
How do nephrons work?
Definition
Take in filtrate and filters out bad substances into urine and reabsorbs useful nutrients back into blood
Term
What is Ecology?
Definition
Study of interactions between organisms and their environment
Term
What is a population?
Definition
Groups of individuals that belong to the same species and live in the same area
Term
What is a community?
Definition
Different populations that live together in an area
Term
What are consumers?
Definition
Heterotrophs- rely on other organisms for energy/ food
Term
What are producers?
Definition
Autotrophs- Get energy from environment
Term
What are the Tropic Levels?
Definition
Primary producers, herbivores, predators, carnivores
Term
What is the energy transfer between tropic levels?
Definition
10% is passed from each level
Term
What is a Logistic Growth model?
Definition
Sigmoid curve, stabilizes at carrying capacity, growth rate slows as it reaches carrying capacity
Term
What is a Exponential Growth Model?
Definition
growth resulting from consistent rate of change over time
Term
What do population pyramids show?
Definition
Age groups
Term
What are the properties of population?
Definition
size, growth, dispersion, and density
Term
What are the types of dispersion?
Definition
Uniformed, Clumped, Random
Term
What is carrying capacity?
Definition
Maximum number of organisms an environment can support
Term
What are density dependent effects?
Definition
weather and climate
Term
what are density independent effects?
Definition
competition for resources
Term
What are K-selected organisms?
Definition
few offspring, old age repro, cares for offspring
Term
What are R-selected organisms?
Definition
many offspring, young age repro, doesn't care for offspring
Term
What are three types of neurons?
Definition
Motor, Sensory, Interneurons (connect motor and sensory)
Term
What is the Central Nervous system (CNS)?
Definition
provides complex reflexes and functions, learning & memory
Term
What is the Peripheral Nervous System (PNS)?
Definition
controls heart rate, blood flow, reflexes, associated with motor and sensory reflexes
Term
What is the Autonomic Nervous system?
Definition
stimulates glands and responds to smooth muscle commands
Term
What is the Voluntary nervous system?
Definition
responds to skeletal muscle commands
Term
What are the subdivisions of Autonomic nervous system and what is their function?
Definition
Parasympathetic- calms body, lowers blood pressure and heart rate
Sympathetic- "Fight-or-Flight" reactions raises hear rate and blood pressure
Term
What is a typical reflex arc?
Definition
Small body jerk in response to "danger"
Term
What are the components of the skeletal system?
Definition
Bones, Ligaments, Tendons
Term
Define evolution.
Definition
Genetic change in population over time.
Term
What is the age of the Earth according to evolution?
Definition
4.5-5 billion years old
Term
What are the oldest fossils?
Definition
Prokaryotes
Term
What are homologous structures?
Definition
Have different purpose in organs, but are developed from similar bone structures
Term
What are vestigial structures/organs?
Definition
useless functioning
Term
What are Analogous structures?
Definition
bird wings in comparison to butterfly wings, same function different structure
Term
what is Embryological comparison?
Definition
comparison of embryos between species
Term
What is the difference between molecular and genetic sequences?
Definition
Molecular- amino acids
Genetic- DNA
Term
What was Lamarck's theory?
Definition
he believed evolution occurred over inheritance of acquired traits & behavioral changes are acquired through development
Term
Darwin and natural selection
Definition
changes within a species & that the # of these changes led to new species
Term
Define variation in a population
Definition
small differences in species
Term
Describe what happens to organisms in a changing environment
Definition
Organisms have to adapt to survive
Term
Define adaptation
Definition
favorable trait best suited for an environment
Term
What are the 5 points of natural selection?
Definition
variation, Favorable Traits, More offspring produced can now survive, Survivors hold favorable traits, Population will change over time
Term
What did Darwin's findings do to help shape natural selection?
Definition
Birds adapted beak size according to food supply and what was available
Term
How were the Galapagos formed?
Definition
Volcanic eruption
Term
What is microevolution?
Definition
change in allele frequency
Term
What is macroevolution?
Definition
BIG change in gene frequency
Term
What is the difference between adaptation and acclimation?
Definition
Adaptation is inherited, involves population change, permanent. Acclimation is accustomed to environment, not natural selection, no gene change, temporary
Term
What are three types of natural selection and the graphs they are associated with? give example of each
Definition
Stabilizing- favors the avg. selects against extremes. (Human Growth Rate)
Directional- favors one extreme, against avg. (Antibiotic Resistance)
Disruptive- favors both extremes, against avg. (Darwin's Finches)
Term
What are the components of the integumentary system? (8)
Definition
Epidermis, Dermis, Hypodermis, Hair follicle, oil bland, blood vessels, sweat gland, receptors
Term
What did the difference between tendons and ligaments?
Definition
Tendons connect muscle to bone, Ligaments connect bone to bone
Term
What system does the skeletal system work with to create red blood cells?
Definition
Circulatory
Term
How many bones are in the human body?
Definition
206
Term
Newborn babies have about 300-350 bones in their body, why is this less than the number of bones at an adult age?
Definition
Bones fuse together
Term
What are the main purposes of the muscular system? (4)
Definition
Mobility, Strength, Structure, Heat Production
Term
Explain how a muscle contracts.
Definition
Brain signal to SR results in a calcium release. Calcium binds to troponin and moves tropomyosin, exposing myosin binding sites. Actin binds with myosin. Actin pulls muscle strands together
Term
List the muscle layer and coverings (Fascicles to Filaments)
Definition
muscle, fascicles, muscle fibers, myofibrils, thick and thin filaments
Term
What are the male and female gametes called?
Definition
Sperm and Ovum
Term
Where are male and female gametes produced?
Definition
Meiosis and Ovule
Term
Why aren't viruses classified as living organisms?
Definition
cant reproduce on their own
Term
What are the differences between Viral and Bacterial Infections?
Definition
Viral- smaller, require living host
Bacterial- Don't require living host, thrive in many different environments
Term
What is the order of classification of living things?
Definition
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Term
What are the rules for Binomial Nomenclature?
Definition
Italics when typed, underline when hand written, first word capitalized, second word lower case
Term
What are the three types of Archaebacteria? And state where each "lives"
Definition
Methanogens (Marshes, sewage, etc)
Halophiles (High salt environment)
Thermophiles (hot springs)
Term
Are Archeabacterica multi or unicellular?
Definition
unicellular
Term
Are Archeabacteria eukaryotes or prokaryotes?
Definition
Prokaryotes
Term
How do archeabacteria reproduce?
Definition
Asexually
Term
How do Archeabacteria differ from Eubacteria?
Definition
different RNA bases, composition of plasma membranes and cell wall
Term
Is bacteria multi or unicellular?
Definition
Unicellular
Term
Is bacteria Eukaryotic or Prokaryotic?
Definition
Prokaryotic
Term
How does bacteria reproduce?
Definition
Asexually
Term
How does bacteria get nutrients to grow?
Definition
Dead or other organisms
Term
Where can Protista be found?
Definition
Wet/ Moist environments
Term
Are Protista muli or unicellular?
Definition
Both!
Term
Are Protista Eukaryotes or Prokaryotes?
Definition
Eukaryotes
Term
How do Protista reproduce?
Definition
Asexually and Sexually
Term
How does it get nutrients to grow?
Definition
Heterotrophs and Autotrophs
Term
How does Protista move?
Definition
Flagellum, Cilia, Pseudopods
Term
Differentiate the types of Protista: Animal, Plant, Fungi. Give examples.
Definition
Animal- Heterotrophs, unicellular (Amoeba)
Plant- Autotrophs, Unicellular (Algae)
Fungi- Heterotrophs, reproduce by spores (Molds)
Term
What is Alexander Fleming credited for?
Definition
Discovery of Penicillin
Term
Is Fungi multi or unicellular?
Definition
Multicellular
Term
Is Fungi Eukaryotic or Prokaryotic?
Definition
Eukaryotic
Term
How does Fungi reproduce?
Definition
Spores, Asexually
Term
What is Fungi cell wall made of?
Definition
Chitin
Term
How does Fungi get nutrients to grow?
Definition
Hyphae grows and branches off onto food source
Term
What is the importance of Fungi?
Definition
Break down material, food, drugs
Term
Are Plants multi or unicellular?
Definition
Multicellular
Term
Are plants eukaryotes or prokaryotes?
Definition
Eukaryote
Term
How do plants reproduce?
Definition
Sexually
Term
What is Plant cell wall made up of?
Definition
Cellulose
Term
How do Plants get nutrients to grow?
Definition
Photosynthesis, Autotrophs
Term
Differentiate Angiosperms and Gymnosperms.
Definition
Angio- produce seed & flowers
Gymno- Naked Seed, Cones
Term
Differences between Monocot and Dicots.
Definition
Monocots- fibrous root, 3 petal, parallel veins
Dicot- long taproot, 4-5 petals, netlike veins
Term
What is the structure of a flower, tell whether male or female.
Definition
Stamen (M): Anther (contains pollen), Filament (holds anther)
Pistil (F): Stigma (Receives pollen), Style (Tube on Ovary), Ovary (Female repro)
Term
Vascular vs. Nonvascular
Definition
Vascular- vessels, seeds and seedless, roots, stems leaves
Nonvascular- lacks roots, stems, leaves, need moisture
Term
Are animals multi or unicellular?
Definition
Multicellular
Term
Are animals eukaryotic or prokaryotic?
Definition
eukaryotic
Term
how do animals reproduce?
Definition
Sexually
Term
How do animals get nutrients to grow?
Definition
Obtain food from outside sources
Term
What are the 7 essential functions of animals?
Definition
Digestion, respiration, circulation, excretion, muscular, nervous, Skeletal
Term
Directional Terms: Ventral, Dorsal, Posterior, Anterior, Medial, Lateral, Distal, Proximal
Definition
front, back, near back, near front, middle, away from midline, farther from point of reference, closer to point of reference
Supporting users have an ad free experience!