Biodiversity

Question 1

The place where an organism lives is its…

Answer 1

habitat

Question 2

All of the organisms in one species in a habitat is…

Answer 2

population

Question 3

All the living organisms in a habitat are known as a…

Answer 3

community

Question 4

What do we call a group of organisms that can interbreed to produce fertile offspring?

Answer 4

A species

Question 5

The variety of living things in an ecosystem is known as…

Answer 5

biodiversity

Question 6

What makes up an ecosystem?

Answer 6

All of the living things and their environment.

Question 7

What is a predator?

Answer 7

Animals that kill and eat other animals for it’s food.

Question 8

What do we call animals that are hunted by a predator?

Answer 8

prey

Question 9

What is the other name for a green plant (because it can make its own food)?

Answer 9

a producer

Question 10

What do we call animals that obtain food by feeding on other animals?

Answer 10

a consumer

Question 11

What is the term for ‘the role an organism plays in its community?’

Answer 11

niche

Question 12

What do arrows in a food chain represent?

Answer 12

The direction of energy flow.

Question 13

Why do food chains always start with green plants?

Answer 13

Green plants are producers meaning that they can make their own energy which is then passed through a food chain.

Question 14

Name 3 ways energy can be lost from a food chain?

Answer 14

heat, movement, undigested material

Question 15

What diagram shows a number of food chains linked in an ecosystem?

Answer 15

a food web

Question 16

What does a pyramid of numbers show?

Answer 16

How many organisms are at each stage of a food chain.

Question 17

What does a pyramid of energy show?

Answer 17

How much energy is available at each stage of a food chain.

Question 18

What occurs in an ecosystem when resources are in short supply?

Answer 18

competition

Question 19

Name the type of competition that occurs amongst individuals of a different species?

Answer 19

interspecific competition

Question 20

Name the type of competition that occurs amongst individuals of the same species?

Answer 20

intraspecific competition

Question 21

Name 3 abiotic factors

Answer 21

temperature, light intensity and moisture levels

Question 22

Name 3 biotic factors

Answer 22

predation, competition and disease

Question 23

How can you minimise error when using a moisture meter?

Answer 23

check that the moisture meter is dry.

Question 24

Name the equipment used to sample plants.

Answer 24

a quadrat

Question 25

How should quadrats be placed on the ground?

Answer 25

randomly scattered

Question 26

Name the equipment used to sample ground crawling insects.

Answer 26

a pit-fall trap

Question 27

Describe a potential error when using a pit-fall trap.

Answer 27

If the trap isn't camouflaged, predators may be able to eat the insects that are being sampled.

Question 28

What is it called when measurements are taken along a line within an area?

Answer 28

a transect