<span>nerve cells are much longer to aid in sending signals to and from the brain</span>
Answer:
Explained below
Explanation:
Sometimes offspring do not resembles their parents because of variation, so these character varies in population. When Darwin went to Galapagos Islands, he observed an amazing diversity of characters. He realized that there were many varieties of finches in the same island. He collected two sets of parent offspring data in two different years. Most of the parents who captured before their beak depth were known then he captured offspring with fledged and measured their beak depth. He calculated average beak depth of two parents and then compared with offspring beak depth.
You should expect an endangered species to be more SPECIALIST. Animal species that can live in different types of environment and which can survive on different types of food are called generalist. This type of animal specie can not be easily endangered because they have high level of survival. The specialist animal species on the other hand are adapted to a narrow range of food and environment. Specialist species can be easily wipe out if there food resources is exhausted or if their habitat is destroyed.
Answer:
A
Explanation:
It's basically doing by its own
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>
