Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Z > Ecology > Flashcards

Ecology Flashcards

1
Q

What is an ecosystem?

A

All the organisms that live in a region and interact with each other and their surroundings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a biotic factor?

A

Living things and their remains (eg. planets, micro-organisms, bird’s nest, viral disease)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is an abiotic factor?

A

Non-living physical and chemical components of an ecosystem, NOT produced by living things (eg. water, light)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is a biosphere?

A

The part of Earth that contains all ecosystems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is a community?

A

Populations that live together in a defined area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a population?

A

Group of organisms of 1 type that live together in the same area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a producer // autotrophe?

A

Organism that produces organic compounds from inorganic compounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is a consumer // heterotrophe?

A

Organism that obtain nutrients from other organisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is a decomposer?

A

Organism that break down the remains of dead animals & planets, releasing the substances that can be used by other members of the ecosystem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is cellular respiration?

A

When a consumer eats a producer, it releases the energy from the sugar process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is photosynthesis?

A

When producers collect light energy to make chemical energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is thermal energy?

A

Radiant energy absorbed by land and water (keeps Earth at present temperature range)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is light energy?

A

Portion of radiant energy we see

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is a food chain?

A

Diagram which shows how organisms are linked together by feeding relationships

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a food web?

A

It’s a more realistic view of energy transfer and shows organisms as a part of an interlocking relationship

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are trophic levels?

A

Categories of organisms defined by how they gain their energy

17
Q

How much energy from 1 trophic level is transferred to the next?

A

Only 10%

18
Q

What does an ecological pyramid show?

A

The relationship between producers and consumers at different trophic levels in an ecosystem by relative amounts of energy or matter

19
Q

What are the 3 types of ecological pyramids?

A

Pyramid of

  1. Numbers
  2. Biomass (total mass of the organic matter at each trophic level)
  3. Energy

Z (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions