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Anestetic [448]
3 years ago
15

In the above reading, it talks about one population wandering away from the other in search of food as the beginning of the pola

r bear sub-species. Which of the following best describes what occurred to cause this split of the bear population?
A. The brown bears were killed by disease 125,000 years ago leaving only a population of polar bears.

B. The massive glaciers isolated the populations causing geographic isolation

C. They had a variety of fur color alleles, so all the white furred bears moved north

D. All of the Above

Question 2.
Which of the following is an adaptation that allows a polar bear to survive in this biome?

A. Thick fur to help them stay warm


B. They began hunting seal carcasses and then live seals at the waters edge to gain nutrients to survive


C. Their molar shape changed to adapt to eating seals instead of berries.


D. All of the above
Biology
1 answer:
KiRa [710]3 years ago
5 0

Answer:

d,d

Explanation:

all the things are all the above because they have those to help the bears survive

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Jennifer is an arson investigator. she arrives on the scene of a fire. the first responders suspect arson. in what order should
Musya8 [376]

The order that jennifer must take, to carry out the investigation is

  1. establish a command post.
  2. preserve evidence
  3. ensure the safety of everyone on site.
  4. jot down observations about the scene.
  5. establish a perimeter of the crime scene.

<h3>What is the role of the fire investigator?</h3>

The investigator will seek to establish whether the cause of the fire was

  • accidental
  • natural
  • criminal
  • or undetermined.

Evidence directly linked to fire can be found at the point of origin, such as fuel sources, incendiary devices, electrical appliances, among others.

With this information, we can conclude that the investigator will seek to establish whether the cause of the fire.

Learn more about fire investigator in brainly.com/question/2109449

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3 0
1 year ago
The strong risk factors for colon cancer include which of the following? (Select all that apply.) A. Aging B. Gender C. Heredity
USPshnik [31]

Answer:

a. Aging

c. Heredity

d. Crohn disease

e. High-fat diet

Explanation:

Colon cancer involves the abnormal growth of cells in the colon found in the large intestine.

Colon cancer is found to be hereditary in about 10 percent of patients .

It is also common with individuals who are used to taking high fat diets and affects most people older than 50 years old.

Crohn’s disease is also found to be a risk factor for having colon cancer.

5 0
2 years ago
Can someone please answer this for me !!
const2013 [10]

Answer:. The genotype is RB(the gene)

The phenotype is purple(the physical appearance)

None of the flowers will be red

All will be purple.

None will be blue

Note: the crossing above indicates a case of co-dominance

6 0
2 years ago
What is a test variable? Give an example.
Sphinxa [80]

Answer:

skynesher / Getty Images. The dependent variable is the variable that is being measured or tested in an experiment. For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants' test scores, since that is what is being measured.

Explanation:

Hope this helps, If it did, then I would really appreciate it if you gave me Brainliest, I only need one more to rank up and it has taken forever to get to where I am currently. Thanks.

6 0
2 years ago
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Residents of three villages with three different sources of water supply were asked to participate in a survey to identify chole
lubasha [3.4K]

Answer:

<em>a. Cross-sectional study</em>

Explanation:

A cross-sectional analysis <em>includes at one particular point in time looking at data from a population.</em> Participants are chosen based on specific variables of interest in this type of study.

For developmental psychology, cross-sectional experiments are often used, but this approach is also used in many other fields, including social science and education.

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3 years ago
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