Chapter 4 Key Terms

Question 1

Ecosystem

Answer 1

All of the organisms living in an area coexisting and interacting with one another

Question 2

Biotic factor

Answer 2

All living organisms, even past living ones

Question 3

Abiotic factor

Answer 3

Nonliving parts of the ecosystem

Question 4

Organism

Answer 4

An individual thing that posses life

Question 5

Species

Answer 5

A group of organisms that can mate to produce fertile offspring

Question 6

Population

Answer 6

A group of the same species that lives in the same place

Question 7

Community

Answer 7

A group of various species that live in the same place and interact with one another

Question 8

Habitat

Answer 8

The place an organism lives

Question 9

Natural selection

Answer 9

The process in which individuals who are more adapted to their environment survive and reproduce with more success

Question 10

Evolution

Answer 10

A change in genetic characteristic from one generation to the next

Question 11

Adaptation

Answer 11

Anything that will allow a species to survive for a longer period of time

Question 12

Artificial selection

Answer 12

Selective breeding of organisms by humans in specific

Question 13

Resistance

Answer 13

The ability for one or more organisms to tolerate a particular chemical designed to kill it

Question 14

Archaea

Answer 14

Found in extreme climates, different cell wall

Question 15

Bacteria

Answer 15

Can be found almost anywhere

Question 16

Fungus

Answer 16

Organism with cell walls and a nuclei

Question 17

Protist

Answer 17

Plantlike, very very hard to pin down what they are

Question 18

Gymnosperm

Answer 18

Woody plants that produce seeds not enclosed in fruits

Question 19

Angiosperm

Answer 19

Flowering plants that produce seeds in fruit

Question 20

Invertebrate

Answer 20

Animals who lack a back bone

Question 21

Vertebrate

Answer 21

Animals who have a back bone