Flashcards in Competition and Environmental Change Deck (14)
Organisms compete for r_________ to live and breed
Which resources do plants need to survive?
Nutrients from soil
Which resources do animals need to survive?
If animals or plants both need the same resources they will...
The environment can be changed by 2 groups of factors. These are:
The following living factors can change an environment:
More or less infectious diseases
More or less predators
More or less food
More or less competition
The following non-living factors can change an environment:
Increase or decrease in temperature
Increase or decrease in rainfall
What is the effect of more infectious disease on a population?
What is the effect of more predators on a population of prey?
less prey as they are all eaten
What is the effect of more prey on a population of predators?
more predators as more food
What is the effect of less prey on a population of predators?
less predators as less food
The number of bees is falling in the U.S.A. This could be because of...
Less food available
Pesticides harming bees
What is meant by the distribution of a species?
How the species is spread across an area.