Answer:
Which statement best describes the components of nucleic acids?
They are made up of nitrogenous bases, sugars, and phosphates.
Explanation:
→ 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
Answer:
qns 2 ans is Increase in size, reduction in # of toes.
The correct answer is that the following is true concerning sources of water pollution is option a. Mine wastes and heavy metals become water pollution through stormwater runoff.
Mine wastes and heavy metals become water pollution through stormwater runoff. As water contaminates by producing coppers, sulfate, sodium as the toxic elements contaminating the water. The chemicals are released from mining activities by contaminating soil, air, by causing pollution.
<h3>What are sources of water pollution?</h3>
The sources of water pollution are :
- mining
- industrial wastes.
- marine dumping
- burning of fossils
- chemical fertilizers.
Hence concluded that water pollution can cause be caused by Mine wastes and heavy metals becoming water pollution through stormwater runoff.
To know more about water pollution refer to the link :
brainly.com/question/25742259
Many animals travel in packs or herds to increase chance of survival. This type of adaptation would be classified as behavioral