| A | B |
|---|
| deciduous | trees that lose their leaves every year |
| tundra | flat treeless land or plain |
| pollinate | move pollen from the part of a flower that makes pollen to the part of the flower that makes seeds |
| decomposer | a living thing that breaks down waste and things that have died |
| competition | the struggle between two or more living things that depend on the same limited resources such as food, water, shelter |
| ecosystem | all the living and nonliving things that interact with each other in a given area |
| prey | an animal that is hunted by another animal for food |
| carnivore | living things that hunt other animals for food |
| extinct | a type of animal or plant that once lived on Earth, but no longer exists today |
| decay | to rot or cause to become rotten |
| fossil | the remains or mark from a living thing long ago |
| omnivore | animals that feed on both plants and animals, such as humans and warthogs. |
| desert | a dry area that receives fewer than 10 inches of rain a year |
| adaptation | a trait that helps a living thing survive in its environment |
| disease | the name we give an illness |
| vertebrate | animals that have backbone, such as mammals, birds, fish and reptiles |
| larva | stage in an insect's life after it hatches from the egg |
| consumer | living things tat eat food |
| seed leaf | part of a seed that has stored food |
| environment | the area in which something exists or lives |
| germinate | begins to grow |
| herbivore | animals that eat only plants, such as giraffes |
| inherited | passed on from parent to child |
| grassland | land ecosystem that has many grasses and few trees |
| germs | tiny living things that cause diseases |
| population | a group of individuals of the same species that live together in the same area at the same time |
| system | a set of parts that interact with one another |
| trait | a characteristic of something or someone |
| hibernate | to spend winter resting; body systems slow down in order to save energy |
| producer | organisms which make their own food |
| seedling | a new small plant that grows from a seed |
| predator | an animal that hunts other animals for food, such as lions |
| pupa | a stage in an insect's life between larva and adult |
| coniferous | trees that do not lose its needle like leaves in the fall, such as a pine tree |
| community | all the populations that live together in the same place |
| migrate | to move to another place to find better climate, food, or a mate |
| wetland | an area of land where the water is near the surface |
