Bio Lab 8

Question 1

The natural world is connected globally through what two ingredients

Answer 1

Biotic (living) and abiotic (nonliving)

Question 2

Ecosystem definition

Answer 2

Community and the environment in which interactions take place between biotic and abiotic elements

Question 3

Knowledge of what to processes will minimize damage of ecosystems due to humans

Answer 3

Chemical cycling and energy flow

Question 4

Chemical cycling is the

Answer 4

Recycling of our planets chemicald

Question 5

Humans and all living organisms are what based life forms

Answer 5

Carbon

Question 6

How are carbon compounds formed

Answer 6

Photosynthesis

Question 7

Primary producers

Answer 7

Photosynthesizing organisms able to trap light energy from sun

Question 8

Process of photosynthesis

Answer 8

Carbon dioxide and water

Equals

Sugars and oxygen

Question 9

What do plants use the sugars from photosynthesis for

Answer 9

Energy for growth and building chemical compounds

Question 10

Energy flow

Multiple levels called

Answer 10

The transfer of energy from one living organism to another

Tropic levels

Question 11

The greater number of ? Ina. Food chain the greater the ?

Answer 11

Interactions

Stability

Question 12

What do we need primary producers for

Answer 12

Oxygen and carbon atoms

Question 13

How do decomposer derive energy

Answer 13

From biological organic molecules encountered in waste from producers or consumers or debris of dead organisms

Question 14

What percent of stored chemical energy is present in next highest level

Answer 14

Only 10

Question 15

Most energy available is at what level ?

Answer 15

Producer

Question 16

Cellular respiration process

Answer 16

Sugar plus oxygen into carbon dioxide water and energy

Question 17

The carbon dioxide released by respiration goes back into

Answer 17

Atmosphere and used again for photosynthesis =carbon cycle

Question 18

Explain carbon cycle

Answer 18

Carbon from atmosphere passes to plants then animals and back to atmosphere

Question 19

What is the final source of carbon dioxide

Answer 19

Dead or plant matter broken down in respiration by decomposer a or detritivores

Question 20

What problems can occur if input and output not balanced in carbon cycle

Answer 20

Excess CO2 which is contributor to global climate change

Question 21

What mineral nutrients do plants need

Answer 21

Nitrate and phosphate

Question 22

What are phosphates needed for

Answer 22

To make DNA and phospholipid bilayer

Question 23

Phosphates come from

Answer 23

Weathering of rocks and decay of plant and animal matter

Question 24

Nitrates are used in making

Answer 24

Proteins

Question 25

Nitrogen gas makes up what percent of earths armosphere

Answer 25

80

Question 26

What have disastrous effects on aquatic systems

Answer 26

Nitrate fertilizers used on farms and lawns

Question 27

What happens when nitrates runoff

Answer 27

Excessive aquatic plant growth provides food for drifting animals they multiply more than what environment can sustain. Waste and dead algae makes decomposer a deplete oxygen

Question 28

Algae classify them

Answer 28

Multi/uni Plant like but more similar to Protista Eukaryotic