click below
click below
Normal Size Small Size show me how
State Objectives
Semester Exam Review pg 4
Term | Definition |
---|---|
intestines | Bacteria live in our _____________ and produce Vitamin K. |
plants/animals | Bacteria break down dead _________ and ___________. (decomposers) |
oil spills | Bacteria can be used to clean up _____ ________. |
nitrogen | Bacteria change ___________ from air to forms that plants can use. |
Respiration | organisms use oxygen to get energy from food, some of which is released as heat. |
Oxygen + glucose (Raw products) | carbon dioxide + water + energy (heat) (Products) |
cellular respiration | All organisms must carry out ________ ___________ to perform its functions to survive. |
sun | The _______ supplies the energy for most life on Earth. |
Producers | make their own food (photosynthesis; plants) |
producers | All food chains and food webs start with ___________. |
consumers | must eat other consumers (meat eaters) |
herbivores | eat plants |
carnivores | eat other consumers (plants and animals) |
decomposers | break down dead organisms |
scavengers | eat dead organisms |
food chain | a model, a simple way of showing how energy passes from one organism to another |
food web | is a series of overlapping food chains that exist in an ecosystem |
ecosystems | are all the organisms living in an area and the nonliving parts of an environment |
biome | is a large geographic area with similar climate and ecosystems |
population | all the organisms of the same speices that live in that area at the same time |
habitat | the place where an organism lives |
community | the population of all species living in an ecosystem |
mutualism | both species benefit |
commensalism | one organism benefits and the other one is not affected |
parasitism | one organism benefits and the other is harmed |
niche | how an organism obtains food, shelter, finds a mate, cares for its young, and avoids danger |