Chapter 3 Biosphere

Question 0

Biosphere

Answer 0

Contains the combined portions of the planet in which all of life exists.

Question 1

Ecology

Answer 1

The scientific study of interactions among organisms and between organisms and their environment, or surroundings.

Question 2

The order of the levels of organization

Answer 2

Species, populations, communities, ecosystem, biome, biosphere.

Question 3

Species

Answer 3

A group of organisms so similar to another that they can breed and produce fertile offspring.

Question 4

Populations

Answer 4

Group of individuals that belong to the same species and live in the same area.

Question 5

Communities

Answer 5

Assemblages of different populations that live in a defined area

Question 6

Ecosystem

Answer 6

Collection of all organism that live in a particular place, together with their non living, or physical envirinment

Question 7

Biome

Answer 7

A group of ecosystem that have the same climate and similar dominant communities.

Question 8

Autotrphs

Answer 8

Uses energy from environment to fuel itself

Question 9

Producers

Answer 9

Organisms that can make their own food

Question 10

Heterotrophs

Answer 10

Organisms that rely on other organisms for energy

Question 11

Consumers

Answer 11

Heterotrophs (Organisms that rely on other organism for energy)

Question 12

Herbivores

Answer 12

Organisms that obtain energy only from plants

Question 13

carnivore

Answer 13

Organisms that eat animals

Question 14

Omnivore

Answer 14

Organisms that eat animals and plants

Question 15

Detritivores

Answer 15

Organisms that feed on plant remains and other dead animals.

Question 16

Decomposers

Answer 16

(Detritivores) Breaks down organic matter

Question 17

Food web

Answer 17

A series of steps in which organisms transfer energy by eating and being eaten

Question 18

Food Web

Answer 18

Links all the food chain in an ecosystem together

Question 19

Trophic level

Answer 19

Each step in a food chain or web

Question 20

Ecological Pyramid

Answer 20

A diagram that shows the relative amounts of energy or matter contained with each trophic level in a food chain or food web.

Question 21

the 3 different ecological pyramid

Answer 21

Energy, Biomass, Pyramid of numbers

Question 22

Energy Pyramid

Answer 22

Show the relative amount of energy available at each trophic level. orgamisms use about 10percent of this energy for life process and the rest is lost in heat and waste

Question 23

Biomass Pyramid

Answer 23

Represents the amount of living organic matter at each trophic level

Question 24

Pyramid of numbers

Answer 24

Shows the relative number of individual organisms at each trophic leve

Question 25

Nitrogen Fixation

Answer 25

process of nitrogen gas turning into ammonia

Question 26

Denitrification

Answer 26

When nitrates are turned into nitrogen and released up in the atmosphere