Ecosystems and food chains

Question 1

What percentage of energy is transferred in a food chain

Answer 1

10% to each level

Question 2

What are the levels of the food chain described as

Answer 2

Producer, primary consumer, secondary consumer, tertiary consumer, top carnivore

Question 3

What is a food web

Answer 3

Several interlinking food chains

Question 4

What is an ecosystem

Answer 4

Living organisms in a particular area and their habitat (the physical area an organism lives in)

Question 5

What is a niche?

Answer 5

particular place/role an organism has in an ecosystem

Question 6

Can animals with different niches live together

Answer 6

Yes - animals can co-exist if they do not distrust each others diet/role

Question 7

What is a pesticide

Answer 7

A substance used to destroy other organisms harmful to crops

Question 8

What is bioaccumulation

Answer 8

A build up of biological chemicals hard to break down

Question 9

What do the arrows in a food chain show

Answer 9

The direction energy is transferred

Question 10

How does plastic build up in a food chain

Answer 10

Plastic builds up when creatures eat several contaminated substances and other creatures eat several of the previous creatures. The top predator may end up consuming a harmful amount of a substance

Question 11

What is a community

Answer 11

Several different species of animals living in the same ecosystem

Question 12

What is a population

Answer 12

A group of the same species living together