Life on Earth

Question 1

the place where an organism

Answer 1

habitat

Question 2

all of the organisms of one species in a habitat

Answer 2

population

Question 3

all the living organisms in a habitat are knowns as

Answer 3

community

Question 4

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

Answer 4

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 the living things and their environments through photosynthesis

Question 7

what is a predator

Answer 7

an animal that hunts another animal for 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

Answer 9

producer

Question 10

what do we call animals that obtain food by feeding on other organisms

Answer 10

consumer

Question 11

what is the term for ‘the role an organisms plays in its community’?

Answer 11

niche

Question 12

what do arrows represent in a food chain represent

Answer 12

the direction of energy flow

Question 13

why do food chains always start with green plant

Answer 13

because they are producers

Question 14

name three ways that energy can be lost from a food chain

Answer 14

movement heat and faeces

Question 15

what diagram shows a number of food chains linked in an ecosystem

Answer 15

food web

Question 16

what does a pyramid of numbers show

Answer 16

number of organisms at each stage

Question 17

what does a pyramid of energy

Answer 17

represents the energy available at each stage of a food chain

Question 18

what occurs in ecosystem when resources are in short supply

Answer 18

competition

Question 19

name the type of competition that occurs amongst individuals of different species

Answer 19

interspecific competition

Question 20

name the type of competition that occurs amongst individuals of the same specie

Answer 20

intraspecific

Question 21

name abiotic factors

Answer 21

temperature, ph, moisture and light intensity

Question 22

name biotic factors

Answer 22

competition for resources, disease, food availability, grazing and predation

Question 23

how can you minimise error when using a moisture meter

Answer 23

wipe the probe clean between each use

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

Question 26

name the equipment used to sample ground crawling insects

Answer 26

pitfall

Question 27

describe a potential error when using a pitfall trap

Answer 27

the trap not being level with the ground therefore the organisms wont fall in

Question 28

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

Answer 28

transect line