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| hardened remains of a plant or animal that lived long ago |
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| Multicellular (2+) Organism |
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| one of several periods in earth's history when large members of species become extinct (dead) |
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| How do fossils help scientists study the past? |
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| The age of a fossil tells when it was formed -- tells how old it is |
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| a characteristic of any inherited trait that makes species able to survive (adjust) |
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| the process where species change over time; new species or extinct species over the course of earth's history |
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| members of a species that are best-suited (strongest) in their environment survive/reproduce (have babies) at a higher rate |
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| Strongest animals survive; Natural Selection |
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Classify and Name Organisms (dog breeds)
"Canis lupus familiaris" |
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1) bacteria 2) archaea 3)protist and
4) fungi 5) animals 6) plant |
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| species with a short lifespan with lots of offspring compared to a competitor |
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| very small organism that you can only see with a microscope |
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| genetic materials thats copied & 1 cell divides into 2 independent cells. Each are a copy of the original cell. |
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| non-living, disease causing particle that uses genetic materials inside the cell to make copies of itself. Enclosed by protein coat. |
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| 3 Things Needed to Survive |
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| captures energy from sun and transfers into chemical energy that is stored in energy-rich compounds |
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| feeds on and breaks down dead plants or animal matter (poop) |
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| absorbs materials from the body of another organism (often harms it) |
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| Difference between Virus & Bacteria |
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| Virus = non-living Bacteria=living |
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| drift in bodies of water (microscopic) |
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| group of similar cells that are organized to do a specific job |
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| structure in a plant/animal that works together for a function (heart pumps blood) |
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| male & female reproductive cells combine to form offspring (babies) with genetic materials (genes) from both cells |
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| a male & female reproductive cell combine to make a new cell that can develop into a new organism (baby) |
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| green plants & producers USE simple compounds & energy from light make sugar (energy-rich compound) |
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| causes a response in an organism or part of body |
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| Gets its energy by eating other living things in a food chain - Heterotrophs |
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| Hunts or eats other animals |
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| An animal that other animals hunt and eat |
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| movement of animals from one region to another in response to changes in seasons or environment |
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| Sleeplike state (during winter). Reduces need for food & protects them from the cold. |
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| the beggining of growth of a new plant from a spore or seed. |
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| Anther, Filament, Stamen, Sepal, Stigma, Ovary, Pistil, Petal |
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| 1) Wind 2) Animals 3) Water |
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| Chemical Reaction of Photosynthesis |
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| Carbon Dioxide + Water + Sunlight ==> Sugars + Oxygen |
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| 2 Types of Tissue in the Plant Vascular System |
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| NO backbone (spiders, ants, oysters) |
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| Quality of being attached to one spot, not free-moving (sponge) |
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| 6 Groups of Invertebrates (in order) |
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| 1) sponge-simple invertebrates that live in water 2)cnidarians-central opening surrounded by tentacles (jellyfish) 3) worms-soft tube-shaped bodies 4) mollusks- muscular foot that allows them to move & hunt (snail) 5)echinoderms-central opening/no tentacles (sand dollar) 6)arthropods- found land, water & air. Have legs, some wings (spiders, crabs) |
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| strong flexible outer covering of some invertebrates (arthropods) |
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| Transformation from an animal from its larval (baby) form to its adult form |
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| Process of an arthropod shedding its exoskeleton to allow for growth |
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| Insects, Crustaceans, Arachnids |
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| 3 Body Sections of Arthropods |
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Definition
| Abdomen (Butt), Thorax (Chest), Head |
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| 2 Bodysystems of Earthworms |
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| nervous & digestive systems |
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| Internal support system such as a skeleton made of bone |
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| Jawless (snakelike), Cartilaginous (sharks) and bony (flounder) |
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| Name & Describe the 5 Groups of Vertebrates |
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| 1) reptiles:cold blooded vertebrate, dry skin/scales 2)amphibian:cold-blooded vertebrate lives in water/land, moist skin, half life 3) mammals:warm blooded vertebrate, produce milk for young, have hair 4)birds: animals maintain their body temperature, feathers, wings 5)Fish: most diverse group of vertebrate, scale, gills |
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| Animal whose body termperature changes with environmental conditions |
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| Animal who maintains a constant (doesn't change) body temperature |
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| Process of keeping eggs warm by body heat until they hatch |
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| Organ that transports nutrients between a pregnant female mammal and the developing offspring inside her body |
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| The period of time spent by a developing offspring inside the mother's body (mammals) |
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