Ecosystems

Question 1

Sustainability

Answer 1

the resources of nature are being renewed at least as quickly as they are used

Question 2

Ecological footprint

Answer 2

how much of an impact a person has on the environment with their lifestyle choices

Question 3

what materials that you use contribute to calculating your ecological footprint?

Answer 3

food, water, supplies to build shelters

Question 4

what are the three r’s?

Answer 4

Reduce, reuse, recycle

Question 5

biotic

Answer 5

two living parts of an ecosystem interacting in an environment

Question 6

what is an example of a biotic relationship?

Answer 6

a lynx and a hare

Question 7

What are abiotic parts of an ecosystem?

Answer 7

air, water and soil

Question 8

An abiotic relationship would be

Answer 8

How a rabbit’s fur turns white in the winter to blend in with the snow

Question 9

Niche

Answer 9

organisms in an ecosystem play different roles

Question 10

What kind of niche do plants and algae full?

Answer 10

Producers

Question 11

Producers

Answer 11

organisms make food energy for themselves

Question 12

Consumers

Answer 12

niche is to consume food made by producers

Question 13

What are the three niches in an ecosystem

Answer 13

Producer, consumer, decomposer

Question 14

Herbivores

Answer 14

animals that eat producers and fill the plant eating niche

Question 15

Carnivores

Answer 15

animals that eat other consumers, filling the meat eating niche

Question 16

Predators

Answer 16

consumers that kill and eat other animals called prey

Question 17

omnivores

Answer 17

animals that eat both producers and consumers

Question 18

food chain

Answer 18

a model that shows how energy stored in food passes from organism to organisms

Question 19

energy flow

Answer 19

the movement of energy, starting from the sun and passing from one organism to the next

Question 20

food web

Answer 20

network of interconnected food chains

Question 21

pyramid of numbers

Answer 21

shows the number of organisms involved in a food chain

Question 22

biomass

Answer 22

the total mass of all organisms in an ecosystem

Question 23

Scavengers

Answer 23

organisms that feed on dead or decaying plant or animal matter

Question 24

decomposers

Answer 24

a different kind of scavenger that grows on or in dead or waste material. They absorb some of the nutrients into their own cells and the remaining nutrients recycle back into the ecosystem