The document defines key terms related to food chains and webs. A food chain tracks how organisms transfer energy as they eat and are eaten, starting with producers and ending with apex predators. A food web maps the complex network of interconnected food chains within an ecosystem. It includes herbivores that eat plants, carnivores that eat herbivores or other carnivores, omnivores that consume both plants and animals, and decomposers that break down dead matter and waste.

1. food chain
food web
ecosystem
absorbs
What Are algae
Food ridges
Chains and predators
scavenger
Webs? omnivores
diet
herbivore
carnivore

2. food chain - a group of living things that form a
chain in which the first living thing is eaten by
the second, the second is eaten by the third,
and so on

3. food web – n. a group of food chains in an
ecosystem that are connected

4. ecosystem – n. all the living and nonliving
things in a certain area

5. absorbs – v. takes in

6. algae – n. simple living things that are composed of
one or more cells. Most algae are plants that do
not have roots or flowers.

7. ridges – n. plural of ridge: a raised, narrow
strip

8. predators – n. plural of predator: an animal
that hunts and kills others animals for food

9. scavenger – n. an animal that feeds on other
animals

10. omnivores – n. plural of omnivore; an animal
that eats both animal flesh and plants

11. diet – n. the food and drink eaten by an animal

12. carnivore – n. an animal that eats only the
flesh of other animals

13. herbivore – n. an animal that eats only plants

14. line 1 – sun’s energy herbivore’s body animal’s body omnivore’s diet
line 2 – nonconfrontational nonmeasurable nonjudgemental
nonrenewable
line 3– stable compound mine pupil
line 4 – omnivores carnivores herbivores devour