Nat 4 nab Flashcards
INTRAspecific
Between members of the same species
Fierce competition
INTERspecific
Between members of different species
Less fierce competition
Food web
A food web is something that shows what animals eat what and it is a more complex food chain
A producer is a ……….
Green plant
A consumer is ………………………………………….
Anything that gains energy from eating other organisms
What do the arrows show
The direction of energy flow
What is a predator
An animal which hints and kills other animals for food
What is prey
An animal which is hunted and killed
What is an interaction of food chains called
A food web
What is a biome
A collection of ecosystems within the same general climate
2 examples of a biome
Tundra , desert
What are sampling techniques used for
They are used to sample biotic factors
A sampling technique isn’t a valid experiment if the ……………….
Traps are different
A sampling technique is not reliable if you ………………….
Only do it once
Competition
When organisms find that they are competing for a food source against another organism and the source is limited
What would the impact on biodiversity be if a forest fire had to wipe out a whole forest?
Biodiversity would decrease in that area
What would happen to biodiversity if conservation happened in an area
Biodiversity would increase
What would happen to biodiversity of pollution happened in a town
Biodiversity would decrease
What does PANiNa mean
Protiens, ammonium, nitrites , nitrates
What is the process of the nitrogen cycle
Protein from plants or animals by death or decomposition then ammonium in soil then nitrates in soil then nitrates in soil…. PANiNa
What does nitrogen make
Protein
What do fertilisers replace
Lost nitrogen
Give to examples of nitrate fertilisers
Compost and manure
What do nitrogen fixing crops do
Improve biodiversity