Food Production and Evolution of Species

Question 1

indicator species

Answer 1

species that by their presence or absence show the conditions in the environmental

Question 2

it relies on natural predators to reduce the number of pest organisms

Answer 2

Biological control

Question 3

a permanent change to the genetic material

Answer 3

Mutation

Question 4

Mutations:

Answer 4

1. spontaneous
2. very rare
3. occur at random

Question 5

causes of mutation

Answer 5

Radiation and chemicals

Question 6

Types of Mutation

Answer 6

Neutral and Harmful

Question 7

Variation

Answer 7

a result from differences in genetic information organisms contain

Question 8

an inherited characteristics that makes an organism well suited to its hide

Answer 8

Adaptation

Question 9

well adapted organisms are :

Answer 9

1. fending diseases
2. escaping predators
3. competing for food

Question 10

the survival of organisms best suited to their environment

Answer 10

Natural Selection

Question 11

organisms produce more offspring than the environment can support.

Answer 11

overproduction

Question 12

There is a struggle for survival. There is competition to find food and mate.

Answer 12

Selection Pressure

Question 13

Speciation:

Answer 13

1. Form of new species
2. changes in phenotype and genotype that make the organism better suited
3. brought about by evolution

Question 14

a population that is split up into different sub populations

Answer 14

Isolation