Food chains and key words

Question 1

Community

Answer 1

all the individuals of all the species in a habitat

Question 2

decomposers

Answer 2

microorganisms feeding on dead matter

Question 3

environment

Answer 3

non- living part of an ecosystem

Question 4

detritivores

Answer 4

animals feeding on dead matter

Question 5

habitat

Answer 5

the place an organism lives

Question 6

ecosystem

Answer 6

all living and non- living parts of a habitat

Question 7

primary consumers

Answer 7

They are herbivores which eat producers

Question 8

secondary consumers

Answer 8

eat primary consumers

Question 9

producers

Answer 9

Make there own food- base of all food chains

Question 9

Photosynthesis

Answer 9

How plants make food

Question 10

trophic level

Answer 10

a stage in a food chain

Question 11

a biotic

Answer 11

The non living factors in the ecosystem. Eg moisture level and temperature

Question 12

biotic factors

Answer 12

The living factors in the ecosystem. Eg competition between 2 species, predators

Question 13

Biomass which isn’t used for growth and reproduction

Answer 13

lost as heat energy from movement+respiration
lost as faeces/urine from indigestible food

Question 14

ecosystem

Answer 14

all living + non living things in a habitat

Question 15

Test for starch

Answer 15

Boil the leaf in ethanol to remove chlorophyll so it won’t affect the result of the test
wash in water
Then put iodine onto the leaf and it should turn yellow-blue/black if starch is present

Question 16

Pondweed experiment

Answer 16

Move the light different lengths away from the pondweed.
see how many bubbles in the water