Life On Earth- Topic 4 Flashcards
0
Q
What can cause mutations
A
Radiation - x ray
- UV light
Chemicals- mustard gas
1
Q
What is a mutation?
A
Is a change to an organisms genetic material
2
Q
What is evolution?
A
Is the appearance of a new species
3
Q
What is a species?
A
Is a group of living things that can interbreed and produce fertile offspring
4
Q
What is a adaptation?
A
Is a inherited characteristic that makes it well suited and increases survival
5
Q
What is natural selection?
A
Is a process where the ones who are better adapted are selected
6
Q
Why do many offspring die before reproducing?
A
Diesease Predators Competition Overcrowding Lack of food
7
Q
What is a speciation?
A
Formation of a new species
8
Q
What is the steps of speciation?
A
Isolation
Random mutation
Natural selection
New species
