Top answers


What are the advantages and disadvantages of sexual reproduction?

Sexual reproduction has many evolutionary advantages. These include: (1) a genetic variation in offspring that is not seen with asexual reproduction. (2) The variation allows the species to adapt to changes ...
LW
Answered by Lois W. Biology tutor
47650 Views

How do I effectively use critical sources in essays?

Using secondary critical sources in your essays can be intimidating but here are three ways you can apply it effectively: 1.To bolster your own argument - This is possibly the easiest way to utilize a critic...
EB
6831 Views

what is the advantage of having a large surface area?

Gas exchange surfaces tend to have the adaptation a large SA:volume ratio. This is advantageous as it increases the area over which gases and other materials can be transported into and out of the organism, ...
SD
Answered by Saskia D. Biology tutor
28588 Views

How does myelination affect nerve impulse conduction velocity?

Nerve impulses are propagated in the form of action potentials, involving the rapid depolarisation of the nerve cell membrane from -70mV to +30mV, before repolarisation occurs returning the membrane potentia...
TW
Answered by Thomas W. Biology tutor
9462 Views

Analyse the reasons for the Nationalist victory in the Spanish Civil War.

Many reasons have been given for Nationalist victory in the Spanish Civil War, although Republican loss was by no means predictable. Some historians have focused on domestic factors, others international con...
JY
Answered by Jessica Y. History tutor
13448 Views