explain what is meant by a community

describe how mark-release recapture can be used to estimate the population of a species

reasons for low energy transfer between trophic levels

how does energy from the sun end up in dead plant matter

describe how to do a transect

what is the main role of pioneer species

what is an abiotic factor?

what abiotic factors may affect plant growth or limit photosynthesis?

through selection, how do populations adapt to their environment?

what evidence usually shows that a trait is caused by a recessive allele?

how can an increase in nitrate concentration affect algae and fish in the lake?

why is it important in investigations to use animals of similar genotypes?

why is the efficiency of conversion of food to biomass lower at lower temperatures than at higher temperatures? e.g. 0 degrees vs 20 degrees

why is ATP useful in many biological processes?

Describe how ATP is made in the mitochondria

Why is it important for plants to produce ATP during respiration in addition to during photosynthesis?