LIVING ENVIORMENT: Evolution

Question 1

Evolution

Answer 1

a process of change through time

Question 2

Homologous structures

Answer 2

similar body parts in different organisms

Question 3

Analogous structures

Answer 3

different structure, similar function

Question 4

Fossils

Answer 4

the remains the traces of organisms that no longer exist

Question 5

Common ancestor

Answer 5

organisms from which the other organisms evolved from

Question 6

Embryology

Answer 6

Embryology is the branch of animal biology that studies the prenatal development of gametes, fertilization, and development of embryos and fetuses

Question 7

Adaptation

Answer 7

features which makes a species better suited to live and reproduce in its environment

Question 8

Variation

Answer 8

differences in genes that cause differences in traits

Question 9

Overproduction

Answer 9

within a population there are more offspring produces in each generation they can possibly survive

Question 10

Natural selection

Answer 10

traits which are beneficial to the survival of an organisms are retained and passed on and there for increase in frequency within a population

Question 11

Survival of the fittest

Answer 11

organisms best adjusted to their environment are the most successful in surviving and reproducing

Question 12

Speciation

Answer 12

the development of a new species occurs as variations or adaptions accumulate in a population of many generations

Question 13

Competition

Answer 13

natural resources, food, water and space to a population is limited there must be competition between organisms

Question 14

Resistance

Answer 14

insects or bacteria can become resistant to chemicals/medicine this is because of NATURAL SELECTION

Question 15

Selecting agent

Answer 15

biological agents and toxins that have been determined to have the potential to pose a severe threat to public health and safety, to animal and plant health, or to animal or plant products.

Question 16

Mutation

Answer 16

can cause organisms to have genetic variations

Question 17

Phylogenetic tree

Answer 17

the study of evolutionary relationships among a group organisms

Question 18

list 3 of the lines of evidence for evolution

Answer 18

fossil records
comparative anatomy
DNA comparisons

Question 19

compararative anatomy

Answer 19

the study pf differences and similarities between living things

Question 20

An anatomical feature that no longer seems to have a purpose in the current form of an organism

Answer 20

vestigial structure

Question 21

Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as

Answer 21

homologus structures

Question 22

A slight difference in an inherited trait between individual members of the same species.

Answer 22

variations

Question 23

Structures or behaviors that help an
organism survive in its surroundings

Answer 23

Adaptations

Question 24

What is natural selection?

Answer 24

organisms with traits well suited to their environment survive and reproduce at a greater rate

Question 24

The process of choosing parent organisms for desired characteristics is called

Answer 24

Artificial selection

Question 25

Evolved from different ancestors, but due to living in similar environments have a similar function.

Answer 25

Anolougus structures

Question 26

How do you “win” at natural selection?

Answer 26

survive & reproduce