Interactions

Question 1

What is a food web

Answer 1

It is a system of interlocking food chains

Question 2

Define: omnivore

Answer 2

Eats plants and meat

Question 3

Define: Parasite

Answer 3

It is an organism that lives on or in another (host) organism

Question 4

Define: predator

Answer 4

An animal that hunts and eats another animal

Question 5

Define: Herbivore

Answer 5

An animal that eats plants only

Question 6

Define: carnivore

Answer 6

An animal that eats meat only

Question 7

Define: decomposer

Answer 7

It is an organism that decomposes organic material

Question 8

Define: consumer

Answer 8

A food chain ends with a consumer

Question 9

What is an invasive species

Answer 9

It is an organism that causes ecological harm to an environment that is not of its own

Question 10

What is bioaccumulation

Answer 10

It is the gradual build up of chemicals of substances (that have been passed down the food chain) in an organisms body

Question 11

What is a chemical pest control(pesticides)

Answer 11

Chemical pest control AKA pesticides are toxic substances that help to kill off pests

Question 12

What is a biological pest control

Answer 12

Biological pest control is when farmers use other organisms to kill pests

Question 13

Give 3 advantages of chemical pest control

Answer 13

Cheap, easy, consistent/reliable

Question 14

Give 3 disadvantages of chemical pest control

Answer 14

Reduction of food for animals, can cause diseases, harms the environment

Question 15

Give 3 advantages of biological pest control

Answer 15

Doesn’t harm the environment, no chemicals used, less destruction to the food chain

Question 16

Give 3 disadvantages of biological pest control

Answer 16

More inconsistent/unreliable, costs more to get the animals

Question 17

What is sampling

Answer 17

Sampling is where scientists use samples to estimate what the whole thing will be.

Question 18

What do scientists use sampling for?

Answer 18

The abundance of organisms, the distribution of organisms

Question 19

What does it mean if your results are reproducible

Answer 19

They can be repeated by another person who does your experiment(with a different method) and will get the same result.

Question 20

What does it mean if your results are repeatable

Answer 20

They can be repeated by another person who does your experiment(with the same method) and will get the same result.