Unit2 L2

Question 1

Species

Answer 1

group of similar organisms- breed and produce fertile offspring

Question 2

Population

Answer 2

group of individuals-

• belong to the same species
• live in the same area

Question 4

Community

Answer 4

Group of different populations-live together in a defined area

Question 6

Ecology

Answer 6

The study of interactions among and between organisms and their physical environment.

Question 7

Biome

Answer 7

Is a group of ecosystems -share similar and typical organisms

Question 8

Biosphere

Answer 8

The whole planet with all of its organisms and physical environment

Question 9

Biotic

Answer 9

Biological compounds

Question 10

Abiotic

Answer 10

Physical compounds

Question 11

Environment

Answer 11

Refers to all of the conditions or factors surrounding organism

Question 12

Photosynthetic

Answer 12

Light energy is used to produce carbohydrates

Question 13

Chemosynthetic

Answer 13

Chemical energy is used to produce carbohydrates

Question 14

Consumer

Answer 14

Heterotrophic organisms- obtain food by eating other living organisms

Question 15

Carbon cycle

Answer 15

Major components of all organic compounds

Question 16

Phosphorous cycle

Answer 16

Required to make DNA and RNA

Mostly found in rock and soil

Question 17

Exponential growth

Answer 17

Grows fast and large
Resources depleted quickly causing a crash
J shape curve

Question 18

Logistic growth

Answer 18

Growth increases but then levels off
Growth reaches carrying capacity
S shaped curve

Question 19

Density-dependent factors

Answer 19

Competition 
Predator and prey
Parasitism
Disease
Stress from overcrowding

Question 20

Density independent factors

Answer 20

Hurricane
Drought
Floods
Wildfires