Lesson 1: Communities Flashcards
1
Q
What is an “ecosystem?”
A
- An ecosystem is the interaction of a community of living organisms
(biotic) with the non-living (abiotic) parts of their environment.
2
Q
In order for organisms to survive and reproduce, what do they need?
A
- To survive and reproduce, organisms require a supply of materials from
their surroundings and from the other living organisms there.
3
Q
What different things/ resources would animals compete for?
3 things!
A
1.) Food
2.) Mates
3.) Territory.
4
Q
What do plants in a community/ habitat often compete with each other for?
4 things!!
A
1.) Light
2.) Space
3.) Water (from the soil.)
4.) Minerals (from the soil.)
5
Q
Finish the sentence!!
Within a community, each species depends on other species for….
4 main things!!
A
1.) Food.
2.) Shelter
3.) Pollination
4.) Seed dispersal.
6
Q
What is the idea of “interdependence”?
A
- Within a community, each species depends on another species for many things ie. food or seed dispersal.
- If one species is removed, it can affect a whole community.
7
Q
What is meant by a “stable community?”
A
- A stable community is one where all the species and environmental factors are in balance so that population sizes remain fairly constant.
8
Q
What is a habitat?
A
- A habitat is the environment in which an organism lives.
9
Q
What is a “population”?
A
- A population is the total number of organisms of the same species living in the same geographical area.
10
Q
What is a “community?”
A
- A comunity is the population of all of the different species that live in the same habitat.
