Brainscape's Knowledge GenomeTM

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


See full index

S3 Biology > Key Area 1: Ecosystems > Flashcards

Key Area 1: Ecosystems Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

What is an ecosystem?

A

An ecosystem consists of all organisms living in a particular habitat and the non-living components in which they interact

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

What is a population

A

The number of organisms present in an ecosystem of 1 species

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

What is a habitat

A

Where an organism lives

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

What is a community

A

All the populations in an ecosystem

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

What is a species

A

A group of organisms which can interbreed to produce fertile offspring

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

What is a producer

A

These are green plants that make their own food using photosynthesis

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

What is a consumer

A

These are organisms that eat plants and/or animals to obtain energy

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

What is a herbivore

A

An organism that eats only plant matter

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

What is a carnivore

A

An organism that eats only meat/animals

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

What is an omnivore

A

An organism that eats plants and animals

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

What is the definition of biodiversity

A

The range of different organisms present in an ecosystem, a biome or the whole planet

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

What is a predator

A

An organism which hunts and eats prey

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

What is a prey

A

An organism that is hunted and eaten by a predator

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

What do food chains link?

A

The organisms within an ecosystem

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

What does a food chain show

A

The direction of the energy transfer from organism to organism

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

What is a food chain

A

Shows the feeding relationship between a producer, primary consumer, secondary consumer and so on

17
Q

What is a food web

A

Shows the interconnection of several feeding relationships

18
Q

What is a niche

A

An organisms niche is the role that it plays within a community

19
Q

What are a niches interaction with other organisms examples

A

Competition, predation and condition it can tolerate (temp)

20
Q

What would animals compete for

A

Food, water, shelter, mates

21
Q

What would plants compete for

A

Sunlight, space, nutrients, water

22
Q

What does an intraspecific competition involve

A

Competition between the same species for the same rescources

23
Q

What does an interspecific competition involve

A

Competition between different species for the same resources

24
Q

Why is intraspecific competitions more intense

A

They fight for the same requirements

25
Q

What does a food chain always start with

A

A producer (green plant)

26
Q

What does a niche relate to?

A

The resources it requires in an ecosystem such as light and nutrient availability

27
Q

When would a competition occur?

A

When resources are short in supply

S3 Biology (6 decks)

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