Genes in their variety of forms are called alleles but a collective set within a species is called a Gene Pool
The correct answer is C - carbon dioxide.
The distribution of gases in the earth's atmosphere is as follows:
1. Nitrogen - 78 %
2. Oxygen - 21 %
3. Argon - 0.93 %
4. Carbon dioxide - 0.038%
Nitrogen, oxygen and argon are permanent gases whose percentage in the atmosphere does not change from day to day.
Gases such as carbon dioxide, nitrous oxides, methane, and ozone are known as trace gases which make up 0.1% of the atmosphere.
Answer:
Explanation:
Species share a common ancestor
Answer:
a food chain and food web are like the exact same thing, a food chain has what the organisms eat from what they eat now to back when they were younger when a food web is thr opp
1. Intrusive Rocks
2. Extrusive Rock
3. Fine grained
4 .Coarse grained
5. Magma
6. Lava