Dynamics of Ecosystems

Question 1

What is a biogeochemical cycle

Answer 1

The carbon cycle, the water cycle, the nitrogen cycle.

Question 2

What is bioaccumulation

Answer 2

The build up if a substance(usually a toxin)as it passes through a food chain

Question 3

What is carrying capacity

Answer 3

The largest population that an envrimentccan support at any given time

Question 4

What is a density dependant limiting factor

Answer 4

Biotic,so lack of food,space,starvation. Depends on the size of the population

Question 5

What is a Density independent limiting factor

Answer 5

Abiotic, natural disasters. don’t depend on the size of the population

Question 6

What is an invasive species

Answer 6

Are species that’s populationbis harmful to the environment. Not from the area originally

Question 7

What is biodiversity

Answer 7

The difference in animals

Question 8

The important elements of biogeochemical cycles held in ______such as the atmosphere, oceans,rocks, and soil

Answer 8

Reservoirs

Question 9

In the process of _____,plants use sunlight energy to convert carbon dioxide from the atmosphere into glucose which is a carbon compound

Answer 9

Photosynthesis

Question 10

___is produced as a waste product during cellular respiration and it is released back into the atmosphere

Answer 10

Carbon dioxide

Question 11

On the water cycle, water_____in the atmosphere and falls to earth as ______

Answer 11

Condensed, precipitation

Question 12

Plants lose water to the atmosphere through openings in their leaves in the process of _____

Answer 12

Transpiration

Question 13

When animals exhale they ard releasing not only carbon dioxide also ______

Answer 13

Water

Question 14

Nitrogen gas makes up about ___% of the earth’s atmosphere

Answer 14

78%

Question 15

Nitrogen becomes avaliable to organisms only through the metabolic activities of a few types of _____

Answer 15

Bacteria