Biodiversity

Question 1

what is Biodiversity?

Answer 1

The variety and abundance of all living organisms.

Question 2

what are Ecosystems?

Answer 2

Ecosystems are biological units made up of living things and their habitat.
They can be as small as a pond or as big as a rainforest.

Question 3

what is a habitat?

Answer 3

A habitat is the area in which a living thing lives.

Question 4

what is a community?

Answer 4

A community is made up of all the plants and animals that live in a particular area.
For example, a coral reef where a number of different species of fish live.

Question 5

what is a population?

Answer 5

A population is the number of one species living in an area.
For example, yellow fish are all the same species and they make up the population of the area.

Question 6

name 4 abiotic factors

Answer 6

light intensity, temperature, moisture and soil ph

Question 7

what do you use to measure temperature?

Answer 7

using a thermometer

Question 8

what do you use to measure moisture?

Answer 8

using a soil moisture meter

Question 9

what do you use to measure light intensity?

Answer 9

using a light meter

Question 10

what do you use to measure soil ph?

Answer 10

using a soil ph meter

Question 11

what error can you make measuring temperature?

Answer 11

not allowing enough time for the accurate readings

Question 12

what error can you make measuring light intensity?

Answer 12

taking a measurement in the shade

Question 13

what error can you make measuring soil ph?

Answer 13

not cleaning probes between readings

Question 14

name 4 biotic factors

Answer 14

food availability, predation, disease and competition

Question 15

name the two different keys to identifying and naming organisms

Answer 15

branched key and paired key

Question 16

what is a producer?

Answer 16

a producer is a plant that produces its own food by photosynthesis

Question 17

what are the 3 groups consumers can be divided into?

Answer 17

herbivores, carnivores and omnivores

Question 18

what do herbivores eat?

Answer 18

only plants

Question 19

what do carnivores eat?

Answer 19

only other animals

Question 20

what do omnivores eat?

Answer 20

both plants and animals

Question 21

name an example of a producer and a consumer

Answer 21

grass > cows / berries > deer

Question 22

what is a predator?

Answer 22

predator is an animal that hunts for other animals to eat (prey)

Question 23

what is prey?

Answer 23

prey is the animals which predators are hunting for as food

Question 24

what is a food chain?

Answer 24

a food chain links together a producer and consumers

Question 25

what do the arrows show in a food chain?

Answer 25

the arrows show the energy transfer

Question 26

what order does a food chain go in?

Answer 26

producer > primary consumer > secondary consumer

Question 27

what is a food web?

Answer 27

a food web is several food chains linked together

Question 28

what is an endangered species?

Answer 28

a species is considered endangered when there are only a very small number of individuals of that particular species left living on earth

Question 29

what does conservation of endangered species mean?

Answer 29

conservation of endangered species involves protecting, supporting and encouraging endangered species, until the species is under far less threat of extinction