ecology

Question 1

what is an ecosystem?

Answer 1

the interaction of a community of living organisms with the abiotic parts of their environment

Question 2

what is a habitat?

Answer 2

the place where an organism lives

Question 3

what is a population?

Answer 3

all the organisms of one species living in a habitat

Question 4

what is a community?

Answer 4

the populations of different species living in a habitat

Question 5

what are the different levels of organisation within an ecosystem?

Answer 5

producers: plants which generate their own food through photosynthesis
primary consumers: herbivores that eat the producers
secondary consumers: carnivores that eat the primary consumers
tertiary consumers: carnivores that eat the secondary consumers

Question 6

what aspects do plants compete for?

Answer 6

light: photosynthesis
space: makes sure leaves are not shaded which maximises photosynthesis
minerals: without sufficient minerals, plants can suffer deficiency disease
water: reactant in photosynthesis

Question 7

what do animals compete for?

Answer 7

food: all animals need food for energy and life processes
mates: essential so they can pass on their genes to their offspring
territory:contain the resources and conditions animals need