science 7 Flashcards

(20 cards)

1
Q

adaptation

A

A characteristic that improves an individual’s ability to survive and reproduce in a particular environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

species

A

A group of organisms that are closely related and can mate to produce fertile offspring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Evolution

A

the process in which inherited characteristics within a population change over generation such that new species sometimes arise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

fossil

A

The remains of physical evidence of an organism preserved by geological processes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Fossil record

A

A historical sequence of life indicated by fossils found in layers of the crusts earth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

trait

A

A genetically determined

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Selective Breeding

A

The human practice of breeding animals or plants that have certain desired character

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Natural selection

A

the process through which populations of living organisms adapt and change.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Generation time

A

In population biology and demography, generation time is the average time between two consecutive generations in the lineages of a population.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

speciation

A

the formation of new species as a result of evolution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

speciation

A

Speciation is the evolutionary process by which populations evolve to become distinct species

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

relative dating

A

Relative dating is the science of determining the relative order of past events

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

absolute dating

A

Absolute dating is the process of determining an age on a specified chronology in archaeology and geology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Geologic time scale

A

The geologic time scale divides up the history of the earth based on life-forms that have existed during specific times since the creation of the planet.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

extinct

A

of a species, family, or other group of animals or plants) having no living members; no longer in existence.

17
Q

plate tectonics

A

the lithosphere of the earth is divided into a small number of moving plates whose movements cause seismic activity

18
Q

primate

A

Primates is an order of mammals, which is further divided into the strepsirrhines

19
Q

hominid

A

a primate of a family

20
Q

homo sapiens

A

Humans or modern humans