Life On Earth

Question 1

What is an ecosystem?

Answer 1

An ecosystem is a natural unit in which organisms can interact in an environment

Question 2

What is a habitat?

Answer 2

Where an organism lives such as a pond,rock pool or soil etc

Question 3

What is a biome?

Answer 3

A geographical region that is characterized by its climate and can contain many ecosystems.

Question 4

Give me any examples of land biomes?

Answer 4

Tundra, savanna, and desert

Question 5

What is a community?

Answer 5

This is the name given to all different populations living in a habitat

Question 6

What is a producer?

Answer 6

A producer is an organism that makes its own food through photosynthesis

Question 7

What is a consumer?

Answer 7

A consumer is an animal that eats the the plant or animal (producer)

Question 8

What is a niche ?

Answer 8

The role an organism has within its ecosystem

Question 9

What does the arrow represent Ina food chain/web?

Answer 9

It represents the energy flow between the producer and consumers

Question 10

How much food is lost through heat and movement, and faeces ?

Answer 10

90%

Question 11

How much food is kept in our bodies when doing exercise and why is this food kept?

Answer 11

10% is kept. This is because we need these left overs for growth and repair

Question 12

What is biodiversity?

Answer 12

Biodiversity is the variety and abundance of species in an ecosystem

Question 13

What is an abiotic factor ?

Answer 13

Abiotic is non living it has to do with sunlight, rainfall, and temperature

Question 14

What is a biotic factor?

Answer 14

Biotic is when living organisms feed off other organisms

Question 15

Biological word for animal ?

Answer 15

Organism

Question 16

What is a population?

Answer 16

Population is the total number of the same species living in a particular habitat

Question 17

What is a pitfall trap?

Answer 17

A pitfall trap is a trapping pit for small animals, such as insects, amphibians and reptiles.

Question 18

What is a quadrat? And what is it used for?

Answer 18

typically of one square metre, selected at random to act as samples for assessing the distribution of plants or animals.

Question 19

What is a quadrat? And what is it used for?

Answer 19

typically one square metre, selected at random to act as samples for assessing the distribution of plants or animals.

Question 20

What is a species?

Answer 20

It’s a group of organisms which can interbreed to produce fertile offsprings

Question 21

What are predators and prey?

Answer 21

A predator is an animal that hunts another animal for its food, and prey is the hunted animal

Question 22

What is competition?

Answer 22

Competition is when two or more members of the community need a particular resource that’s in short supply.

Question 23

What is intraspecific competition?

Answer 23

This is competition between organisms of the same species. Same species compete more because they need same resources

Question 24

What is interspecific competition?

Answer 24

This is competition between organisms of different species. Different species compete less because they need different resources

Question 25

What’s is a light meter?

Answer 25

An instrument for measuring light intensity and moisture in the soil.

Question 26

What are decomposers? give 2 examples

Answer 26

Decomposers are a group of organisms that obtain their energy by breaking down undigested waste, uneaten remains and dead bodies. Examples are Bacteria and Fungi