Extinction is a natural process that may be caused by natural selection, shortage of food or natural calamities. Hunting, deforestation, pollution, the conversion of uncultivated areas into pastures, the illicit trade of wild animals as well as climatic changes have made life more difficult for many animals.
Answer:
Make sure all tested rats are the same age.
Offer the same type of food to the rats in each trial.
Explanation:
<em>In order to be able to isolate the effects of one particular variable during a research, all the subjects in each trial must be subjected to the same conditions except the variable whose effects is being isolated.</em>
Hence, Kate must offer the same type of food to the rats in each trial as well as make sure that all tested rats are the same age.
Answer:
♡Hi darling!♡
-- The answer is protons and neutrons♡
Hope I could help!
~Clara
✧・゚: *✧・ *:・゚✧*:・゚✧・゚: *✧・゚ *:・゚✧*:・゚✧✧・゚: *✧・ *:・゚✧*:・゚✧・゚: *✧・゚
Explanation:
Salutations!
<span>The goal of aerobic exercise is to be able to exercise with the appropriate intensity for ----
</span><span>The goal of aerobic exercise is to be able to exercise with the appropriate intensity for 20- 30 minutes. Aerobic activities should be done at least 20-30 minutes.
</span>
Exon are coding areas but intron are not coding areas