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Biology
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Describe the trends in predator and prey populations seen within a community in an ecosystem

Prey population size increases when there are enough resources available for food. When prey populations increase, the predator population size also increases, as this means there is more food available f...

Answered by Olivia C. Biology tutor
6428 Views

What benefits does compartmentalisation confer on cells?

Intro: Look at caveats in the question:Not all cells are compartmentalised - e.g. prokaryotic cellsThis therefore tells us that compartmentalisation is likely an adaption to a set of biological niches.(If...

Answered by Guy P. Biology tutor
9165 Views

Outline the circulation of blood and the physical changes of the heart during the cardiac cycle.

The cardiac cycle is split into 2 main phases: systole where the heart contracts and ejects blood out from the heart and diastole where the heart relaxes and fills with b...

Answered by Aishah M. Biology tutor
2152 Views

Using a genetic diagram, identify the genotypes of the F2 generation of pea pods if a homozygous green pod and a homozygous yellow pod were crossed initially. The yellow pod contained recessive alleles (g).

A homozygous green pod will have a GG genotype while a homozygous yellow pod will have gg. Each parent has two alleles but only one is passed to an individual offspring via the gametes. In this case, the ...

Answered by Jessica N. Biology tutor
3501 Views

Explain the process of oxidative phosphorylation and the electron transport chain in the production of ATP in respiration.

Oxidative phosphorylation and the electron transport chain (ETC) are both aerobic processes that require oxygen. These processes occur in the mitochondria of cells across the inner mitoch...

Answered by Keval P. Biology tutor
3628 Views

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