Orgins Of Living Things Flashcards
1
Q
What does biodiversity mean
A
Biodiversity means there are many different types of living things.
2
Q
Who came up with the theory of evolution by natural selection
A
Charles Darwin
3
Q
What is evolution
A
Evolution is the process by which different kinds of living things develop from earlier forms by genetic changes over long periods of time.
4
Q
What is a mutation
A
It’s a change in a gene
5
Q
What were Darwin’s 2 observations
A
Living things produce huge numbers of offspring. For example, a tree may produce thousands of seeds, or a fly may lay thousands of eggs.
The environment (or surroundings) can support only a limited number of living things.
6
Q
Darwin’s hypothesis
A
If more living things are produced than can survive, they will struggle to get scarce resources.
