Top answers

What is the difference between the xylem and phloem?

the xylem transports water and minerals the plants need. water is taken up from the roots normally and is needed at the leaves. so the direction of flow in the xylem is only upwards. also is made of dead cel...
NA
Answered by Najma A. • Biology tutor
3233 Views

If populations of species become isolated, new species are more likely to develop. Explain why. (2 marks)

The organisms are unable to exchange genes outside of the isolated population. There may be different selective pressures which the organisms must adapt to. This means the features of the species may change ...
HM
Answered by Hannah M. • Biology tutor
3272 Views

Describe how water moves from the roots to the leaves

The xylem tissue that runs from the roots to the leaves draws water up from the roots as water evaporates from the leaves. This process is called transpiration it is how water is replaced when water evaporat...
Answered by • Biology tutor
3690 Views

Explain how a reflex action is coordinated

A reflex action is a way for the body to automatically and rapidly respond to a stimulus. It is able to work so fast because it bypasses the brain. The process is as follows:The stimulus (e.g Pressure, Tempe...
HE
Answered by Harry E. • Biology tutor
4714 Views

Define the different types of reproduction and list the advantages of each type of reproduction.

Asexual reproduction: only needs one parent and uses the process of mitosis to create identical copies (clones) of the parent cellSexual reproduction: two parents are needed in sexual reproduction and uses t...
LM
Answered by Lucy M. • Biology tutor
3765 Views