7.1.1 communities

Question 1

what are individual organisms

Answer 1

a single member of a species

Question 2

what is a population

Answer 2

a number of individuals of the same species living in the same area at the same time

Question 3

what is a community

Answer 3

multiple populations (of different species) living and interacting in the same area

Question 4

what is a ecosystem

Answer 4

the interaction between a community (the living, biotic part) and the non-living (abiotic) parts of the environment

Question 5

competition meaning

Answer 5

If a group of organisms all need the same resource in order to survive and reproduce (have offspring) but there is a limited amount of the resource available, they are said to compete for the resource

Question 6

adaptation meaning

Answer 6

If an organism has certain features, behaviours, or other characteristics that help it to survive and reproduce in its habitat, it is said to be adapted to its habitat

Question 7

large and small ecosystem

Answer 7

antartica and a tree

Question 8

other ecosystems

Answer 8

A garden pond
A woodland
A coral reef
A desert

Question 9

example of interactions within ecosystems

Answer 9

Predators (carnivores) eating prey
Herbivores eating plants
Plant species being pollinated by bees

Question 10

independence meaning

Answer 10

if one species is removed it will affect the whole

Question 11

stable community

Answer 11

one where all the species and environmental factors are in balance so that population sizes remain fairly constant