Test Ecology

Question 1

Biosphere

Answer 1

A spot around earth where organisms can live.

Question 2

Ecosystem

Answer 2

All the living organisms and their physical and chemical environment.

Question 3

Abiotic

Answer 3

Non-living

Question 4

Biotic

Answer 4

Living

Question 5

Water cycle

Answer 5

Evaporation, condensation, parcipatation, moves across surface, transpiration… Repeat.

Question 6

Carbon cycle

Answer 6

Carbon in various forms and cycled through the lithosphere, atmosphere, hydrosphere and biosphere. The two main human activity contributing are deforestation and burning fossil fuels.

Question 7

Nitrogen cycle

Answer 7

Nitrogen gas is in the atmosphere. It’s converted by nitrogen fixing bacteria into nitrogen-containing compounds. Nitrogen in the soil can be absorbed by plants and passed from producers to consumers.

Question 8

Photosynthesis

Answer 8

The form of sun being converted into chemical energy (sugar).
WORD EQUATION.

                               light energy Carbon dioxide +water ------>  sugar + oxygen

Question 9

Cellular respiration

Answer 9

The process in which sugar and oxygen are converted into Carbon dioxide and water releasing energy for the cell. This proses doesn’t involve sunlight.
WORD EQUATION

sugar + oxygen —>Carbon dioxide+water+energy

Question 10

Food chains

Answer 10

A sequence of organisms each feeding on the next showing HOW ENERGY IS TRANSFERRED.
Grass—> bunny—>fox—>wolf

Question 11

Food web

Answer 11

A chart representing the feeding relationship within a community.

Question 12

Pyramid of energy

Answer 12

Illustrates energy loss and transfer between tropic levels. (Remove a zero each level) 
1-producers 
2-primary consumer
3-secondary consumer
4-tertiary consumer

Question 13

Competition

Answer 13

Two individuals go for the same resource.

Example: Fox and coyote both feet on common prey such as mice and rabbits.

Question 14

Predation

Answer 14

One individual feeds on another.

Example: lynx pray on snowshoe hare.

Question 15

Mutualism

Answer 15

Two individuals benefiting each other.

Example: nitrogen fixing Bactria live in the roots in certain plants.

Question 16

Parasitism

Answer 16

One individual lives on or in and feeds on a host organisms.

Example:tapeworms are parasites of cats and dogs.

Question 17

Commensalism

Answer 17

One individual benefits and the other neither benefits nor is harmed.

Example: many birds nest in particular kinds of trees or in abandoned burrows.