→ Darwin believed that the need to adapt, in similar words, the changes occruing in the environment caused evolution.
The main cause of evolution, according to Darwin, was natural selection. Natural selection is a process in which a group of organisms with certain characteristics survive and thrive, in comparison to other organisms with different characteristics. This idea basically means that having some characteristics makes you suited for an environment.
And how would that ↑ explain Evolution?
Well, evolution is the change in species that occurs during time. But for you to change, there must be a cause for that change, which is none other than the need to survive, reproduce, etc.
→ As mentioned before, not all characteristics are enough to surive, and hopefully the image pasted below will help you.
Hope it helped,
BioTeacher101
<span>Modern humans have been around for a very short period of time. There are differences in race, asian people tend to be smaller, stuff like that. The problem is different races marry and those genes mix. If Asians only married pure blood Asians, Africans only married and procreated with other Africans thanks in hundreds of thousands of years different sub species would most likely start to occur. Seeing as how human population is all connected today, that won't happen.</span>
Answer:
Explanation: Deforestation leads to climate change. The fewer trees in environment, the more carbon emmsision there is which warms up the earth. As the earth gets warmer the glaciers and ice caps in the artic and antarctic melt which leads to more water in the ocean. Think of ice melting in a glass of water, the ice melts and turns to water creating more water.
Answer: 300 grams
If Anna’s doctor recommends getting 60% of her calories from carbohydrates, it means that (2000*.60) or 1200 calories should come from carbohydrates.
<span>If one gram of carbohydrate provides 4 calories of energy, then 1200 calories is equal to (1200/4) or 300 grams of carbohydrates Anna should consume each day.</span>
carbon, the fundamental component for all the macromolecules.
