Ecosystems Flashcards


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created 1 year ago by jmedley
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These words go along with our Ecosystems unit
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science
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1

aquatic ecosystem

a water-based ecosystem

2

carnivore

a consumer that eats only or mostly animals for energy

3

competition

the demand for a resource by two or more organisms

4

consumer

a living thing that gets energy by eating other living things

5

decomposer

a living thing that gets energy by breaking down wastes and dead plants and animals

6

ecosystem

all the living and nonliving things in an area

7

energy pyramid

a diagram that shows how the amount of energy changes as it moves through a food chain or food web

8

estuary

a body of water in which freshwater from a river meets and mixes with salt water from the ocean

9

food chain

a model that shows the path of energy as it flows from one living thing to the next

10

food web

a model that shows how several food chains are connected

11

forest

a biome with many trees

12

grassland

an ecosystem that has fertile soil covered with many tall grasses

13

herbivore

a consumer that eats only or mostly plants

14

interact

to come into contact with and affect each other

15

lake

a large body of freshwater

16

model

something that represents a real object, event, or process

17

ocean

a large body of saltwater

18

omnivore

a consumer that eats both plants and animals

19

organism

a living thing

20

photosynthesis

the process by which plants, algae, and some bacteria use energy from the sun to make their own food

21

pond

a small body of freshwater surrounded by land

22

population

a group of organisms of the same kind that live in the same area at the same time

23

predator

an animal that hunts other animals for food

24

prey

an animal that is hunted by other animals for food

25

producer

a living thing that makes its own food through photosynthesis

26

reproduce

to make more organisms of one's own kind

27

resource

something a living thing needs to stay alive

28

salt marsh

a flat area of land where salt water overflows

29

terrestrial ecosystem

a land-based ecosystem

30

tide

the rise or fall of ocean water