Hijelp
explain how animals in vertebrates are classified into further subgroups on the basis of : -
a) kinds of exoskeleton or endoskeleton
b) structure of heart
c) respirating organs
d) method of reproduction

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.

How does food concentration affect yeast activity