Adaptation

Question 1

Traits that increase an organism’s chances of survival and reproduction are called __________?

Answer 1

Adaptations

Question 2

How many types of adaptations are there? WHAT are they?

Answer 2

There are 2 types.
- Physical
- Behavioral

Question 3

Physical, bodily features that help animals survive are called _________________?

Answer 3

Physical Adaptations

Question 4

Behavioral adaptations are actions an organism takes to __________?

Answer 4

Survive

Question 5

Some reasons animal adapt?

Answer 5

• To find food
• To adjust their bodies to the temperature of their environment
• to defend themselves
• to find a mate
• to escape from predators and other dangers
• to adjust for the loss of their habitat

Question 6

The theory of evolution by natural selection is supported by evidence from?

Answer 6

• Vestigial Structures
• Similar embryos
• Homologous structures
• Fossils
• Molecular evidence

Question 7

What are vestigial structures?

Answer 7

Vestigial structures are anatomical features that have lost their original function through evolution

Question 8

Examples of vestigial structures?

Answer 8

• Human tailbone
• wisdom teeth

Question 9

What are similar embryos?

Answer 9

An embryo is an animal or plant in its earliest stages of development.

Question 10

Fish embryos and human embryos BOTH have what? Where do they go?

Answer 10

Gill slits; in fish, they develop into gills, but in humans they disappear before birth.

Question 11

What is homology? What are some examples?

Answer 11

The presence of structures in organisms that share that same base form Also known as homologous structures
Examples: forelimbs of whales, humans, bats, and cats

Question 12

Fossil helps scientists do what? Example?

Answer 12

Reconstruct the evolutionary histories of present-day species.
Example: Evolution of the horse lineage

Question 13

What is speciation?

Answer 13

Overtime, populations of the same species can evolve separately to the point where they can no longer interbreed and are so no longer considered to be the same species.

Question 14

The process of formation of a new species is called ___________?

Answer 14

Speciation

Question 15

Typically, speciation occurs due to what?

Answer 15

Isolation

Question 16

What is a dichotomous Key?

Answer 16

A dichotomous key is a method of identification whereby groups of organisms are divided into two categories repeatedly.

Question 17

With each sequential division, more ___________ is revealed about the ___________ _______________ of a particular organism.

Answer 17

information; specific features

Question 18

When the organism no longer shares its totality of selected characteristics with any organism, it has been identified. True or False?

Answer 18

true

Question 19

What is Taxonomy?

Answer 19

Taxonomy is the science of classifying and naming organisms

Question 20

What does TAXON mean?

Answer 20

A group of organisms that share certain traits

Question 21

Classification is based on?

Answer 21

Biological relationship

Question 22

Binomial Nomenclature was developed by a Swedish Scientist named?

Answer 22

Carl Linnaeus

Question 23

Organisms are classified into how many levels?

Answer 23

7

Question 24

The 2-name system is based on Latin terms. What is the equation to get the scientific name?

Answer 24

Species name + genus name = scientific name