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Hunter-Best [27]
3 years ago
6

Scientists believe that the polar bear in Alaska and the brown bear in Russia evolved from a common ancestor which would be resp

onsible for this evolutionary change
Biology
1 answer:
skad [1K]3 years ago
7 0

Answer: don’t know really how to explain it but it’s geographic isolation

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Consider a major environmental change. If organisms in a population do not have traits that allow them to still continue to surv
Marizza181 [45]

Answer:

It would be decrease of the population

Explanation:

For starters if there was no food no animals

OR

There would be competition with other animals like each other and could been chaos.

6 0
3 years ago
What is reactivity and what does is have to do it chemistry
Maksim231197 [3]

Answer:

In chemistry, reactivity is a measure of how readily a substance undergoes a chemical reaction. The reaction can involve the substance on its own or with other atoms or compounds, generally accompanied by a release of energy. The most reactive elements and compounds may ignite spontaneously or explosively.

( hope this helps!)

4 0
2 years ago
1. Which of the following is true about chemical energy?
avanturin [10]
What is true of chemical energy is that chemical energy can be stored more efficiently as glucose than it can be as ATP. All the other answers in this case don't really apply. The correct answer is therefore A.

When ATP is broken down to ADP we get a release of energy - B and C are therefore wrong. Energy is broken in more ways as only ADP - D is also wrong. Only A stays as the correct answer. 
8 0
4 years ago
Read 2 more answers
What are the main functions of polysaccharides in plants
aksik [14]
Provides support and energy
5 0
4 years ago
Read 2 more answers
Terrence likes to eat morel mushrooms, which are native to Georgia. How do the kingdoms to which humans and morels belong DIFFER
mariarad [96]

Answer:

Mushrooms are in kingdom Fungi and humans are in kingdom Animalia

Explanation:

These two kingdoms are similar in that they are both in Domain Eukarya, meaning they have eukaryotic cells (have a nucleus, membrane bound organelles, are relatively large and organized). Both are also heterotrophic, meaning they eat other organisms to get energy. They are different in that fungi cells have cell walls made of chitin while animals do not have cell walls. Fungi tend to live pretty sedentary lives, and while that is true for some animals, that is not true of most. Fungi are also decomposers while animals are consumers.  

5 0
3 years ago
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