The main difference between Darwin and Lamarck was that "<span>D. The idea of mutations was understood by both, but Darwin was able to prove it" although this is a lot like answer C...</span>
Answer:
here
Explanation:
Heterozygous male with type blood A has the genotype of IA IO. Heterozygous female with blood type B has the genotype of IB IO.
Crossing IA IO × IB IO;
25% IA IB - blood type AB
25% IA IO - blood type A
25% IB IO - blood type B
25% IO IO - blood type O
Answer:
<u>A common element among all the river valley civilizations was irrigation systems that moved water to crops and settlements</u>
Explanation:
- <u>River Valley civilizations where the civilizations that were found on the banks of the river like the Mesopotamia ,Indus valley civilization.</u>
- <u>These civilization where agriculture based civilization as they depended on river for drinking water and irrigational activities</u>
Primary producers use an energy source (usually sunlight) to build organic molecules.
Answer:
b) barrier islands
Explanation:
I looked up Mississippi barrier islands and they were a thing.