ecosystems 05/11/24 Flashcards

revising year 9 content

You may prefer our related Brainscape-certified flashcards:
1
Q

what is intraspecific competition

A

competition for a shared resource between two individuals/organisms of the same species

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

what is interspecific competition

A

competition for a shared resource between two individuals/organisms of different species

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

what do plants compete against each other for

A
  • light
  • space
  • mineral ions
  • water
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what do animals compete for

A
  • food +/ water
  • territory
  • mates
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is ecology

A

the study of organisms and the environment in which they live as well as how they both interact

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

give 3 examples of abiotic factors which can affect a community

A
  • light intensity
  • temperature
  • moisture levels
  • soil pH and mineral content
  • wind intensity and direction
  • CO2 levels for PLANTS
  • O2 levels for AQUATIC ANIMALS
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

give 3 examples of biotic factors which could affect a community

A
  • availability of food
  • new predators introduced/arriving
  • new pathogens (disease)
  • one species outcompeting the other so the numbers are no longer sufficient to breed
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is a trophic level

A

a feeding stage within a food chain

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

trophic levels can be represented by ___ starting at level ___ with plants and algae

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

plants and algae make their own “food” and are called — ?

A

producers

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

— only eat plants/algae and are called — — ?

A
  • herbivores
  • primary consumers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

—s that eat herbivores are called — — ?

A
  • carnivores
  • secondary consumers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

carnivores that eat other carivores are called — —

A

tertiary consumers

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

carnivores that have no predators are found at the — of the food chain and are called — —

A
  • top of the food chain
  • apex predators
How well did you know this?
1
Not at all
2
3
4
5
Perfectly