Characteristics of Life

Question 1

Ecology

Answer 1

Study of organisms and their interactions with their environment and other organisms.

Question 2

Abiotic

Answer 2

Non living things (Ex: water, soil, light, ect.).

Question 3

Biotic

Answer 3

Living things (Ex: Organisms).

Question 4

Organism

Answer 4

Individual within a species.

Question 5

Population

Answer 5

All members of the same species in an area.

Question 6

Community

Answer 6

Several populations living and interacting in an area.

Question 7

Ecosystem

Answer 7

Community plus abiotic factors.

Question 8

Biome

Answer 8

Many similar ecosystems within a large area.

Question 9

Biosphere

Answer 9

All biomes of the entire world.

Question 10

Producer

Answer 10

Produce food through photosynthesis.

Question 11

Secondary consumer

Answer 11

Organism that feeds on primary consumers.

Question 12

Tertiary consumer

Answer 12

The top consumer (Ex: Carnivore)

Question 13

Energy pyramid

Answer 13

Model that uses a pyramid shape to show that the energy available for consumers decreases as it travels through a typical food chain or web.

Question 14

Primary consumer

Answer 14

Like the Herbivores.

Question 15

Trophic level

Answer 15

Level of energy within the energy pyramid.

Question 16

Biomass

Answer 16

All of the mass of living things in the world/area… the bodies.

Question 17

10% rule

Answer 17

10% of energy makes it to the next level of the energy pyramid.

Question 18

Photosynthesis

Answer 18

Process of harnessing energy from the sun to make sugars.

Question 19

Cell respiration

Answer 19

Process of breaking that down to gain energy (oxygen helps break it down).

Question 20

Population distribution

Answer 20

How a population of organisms is organized.

Question 21

Population density

Answer 21

How many organisms are in one area.

Question 22

Density dependent factors

Answer 22

Something that can change the number of organisms (not natural disasters).

Question 23

Density independent factors

Answer 23

Natural disasters that we can’t control.

Question 24

Growth rate

Answer 24

Change in number of individuals over time.

Question 25

Exponential growth

Answer 25

Under ideal conditions in which organisms benefit always.

Question 26

Limited growth

Answer 26

“Real world,” resources are shared and NOT ENDLESS.

Question 27

Carrying capacity

Answer 27

Number of organisms an environment can hold.