Top answers


Which food chain has the highest proportion of energy transfer. Grass -> cow -> human. Grass -> grasshopper -> rat -> snake. Rice -> human

Rice -> human. due to it having the fewest trofic levels (stages in the food chain) with each trofic level energy is lost through heat and movement as well as energy lost due to unabsorbtion in the digest...
RM
Answered by Ryan M. • Biology tutor
4552 Views

How does respiration occur in living cells?

Glucose is broken down using oxygen. This releases energy from the bonds of glucose. The products are carbon dioxide and water.
NV
Answered by Nastia V. • Biology tutor
6492 Views

What is asexual reproduction and what are its features?

Asexual reproduction is where an organism produces offspring which is genetically identical to itself, without fertilisation happening The main identifying feature of asexual reproduction is that there is on...
SW
Answered by Sam W. • Biology tutor
14903 Views

What is the function of a ribosome within an animal cell?

A ribosome is the centre of protein synthesis within an animal cell. Translation and transcription of DNA takes place within a ribosome, meaning the genes are read and a messengerRNA provides transfer and ri...
AH
Answered by Ashleigh H. • Biology tutor
9160 Views

1 a) What is a pathogen? 1 b) How do white blood cells help to defend the body against pathogens?

1 a) a microorganism that causes infectious disease 1 b) White blood cells: - Ingest pathogens - produce antibodies which destroy particular bacteria or viruses - produce antitoxins which counteract the toxi...
LB
Answered by Lauraa B. • Biology tutor
6681 Views