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ollegr [7]
2 years ago
6

Suppose scientists could compare the DNA of modern humans from around the world with the DNA of Homo erectus populations from th

e humans’ native homelands. If DNA samples from each modern human were found to be most similar to the Homo erectus DNA from their homeland, that finding would__________________. a. support the multiregional model.. b. support the out-of-Africa model.. c. support both the multiregional model and the out-of-Africa model.. d. disprove both the multiregional model and the out-of-Africa model.
Biology
2 answers:
Lesechka [4]2 years ago
7 0
A. Support the multiregional theory as it would suggest that the evolution from homo erectus had happened naturally across the globe. 
Jobisdone [24]2 years ago
4 0

Answer: The correct answer for the blank is-

a. support the multiregional model.

Multiregional model is a scientific model that provides explanataion of pattern of evolution of modern humans. It is an alternative explanation of Out of Africa model.

According to this model, modern humans that are present around the world (that in various regions or multiregions of the world) show similarity to the Homo erectus found in Africa.

In other words, species of human beings first originated in Africa as Homo erectus, which then underwent subsequent human evolution upon dispersing in various regions around the world. These species include all archaic forms of human like Homo erectus, Neanderthals, and evolved worldwide as Homo sapiens ( modern human forms).

Thus, option a) is the right answer.

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3. What are some examples of fluctuations in abiotic cycles?​
ipn [44]

Answer:

1.The carbon cycle.

2.The nitrogen cycle.

3.The water cycle.

4.The sulfur cycle.

5.The phosphorus cycle.

6.The rock cycle.

Explanation:

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4 0
2 years ago
A scientist is studying some developing eggs from an ocean sample. The early embryos have divided only a few times, and all cell
Kay [80]

Answer:

The correct answer is - deuterostomes.

Explanation:

Duetorstomes eggs ,During embryonic development the zygote undergoes cleavage. Cleavage results is slitting into multiple cells where ease cell has the ability to develop into a complete embryo when isolated.

6 0
2 years ago
tendons of the rotator cuff muscles hold the head of the humerus to the glenoid cavity of the scapula
AnnZ [28]

The rotator cuff muscles hold the head of the humerus to the glenoid cavity of the scapula with subscapularis, supraspinatus, infraspinatus, and teres minor muscles' tendinous.

What is rotator cuff muscles?

The rotator cuff is a collection of muscles in the shoulder that supports stability of the glenohumeral joint while allowing for a large range of motion. The following muscles make up the rotator cuff: Subscapularis. Infraspinatus. Minor Teres.

What is glenoid cavity of the scapula?

The term "glenoid fossa" refers to the glenoid hollow. The pectoral girdle's lateral scapula bone, often known as the shoulder blade, has a slight dip there.  The glenohumeral joint connects the upper limb's humerus to the glenoid cavity.

The subscapularis, supraspinatus, infraspinatus, and teres minor muscles' tendinous insertions combine to form the tendinous band known as the rotator cuff. During joint motion, these muscles support the humeral head's rotation against the glenoid fossa.

Therefore, the rotator cuff muscles hold the head of the humerus to the glenoid cavity of the scapula with subscapularis, supraspinatus, infraspinatus, and teres minor muscles' tendinous.

Learn more about rotator cuff muscles from the given link.

brainly.com/question/9486780

#SPJ4

7 0
1 year ago
PLEASE HELP ASAP!
Vlad [161]

Answer: Maybe if you knew the def's you could answer it.

Initial Decay – Bacteria located mainly in the lower intestine begin decomposition, giving a greenish color to the lower abdomen. Stage 2: Putrefaction – Bacteria grow throughout the body, releasing gases, including cadaverine, which in turn bloat the body and cause unpleasant odor.

putrefaction

the process of decay or rotting in a body or other organic matter.

Black putrefaction occurs, which is when noxious odors are released from the body and the parts of the body undergo a black discoloration. 2 weeks: The abdomen is bloated; internal gas pressure nears maximum capacity. 3 weeks: Tissues have softened. Organs and cavities are bursting.

Fermentation occurring in putrefaction and apparently in the digestion of herbivorous mammals in which butyric acid is produced by certain chiefly anaerobic bacteria acting upon various organic substances (such as lactic acid or butter)

A dry body will not decompose efficiently. Moisture helps the growth of microorganisms that decompose the organic matter, but too much moisture could lead to anaerobic conditions slowing down the decomposition process

6 0
3 years ago
Which are the possible genotype combinations for their offspring? Check all that apply
Keith_Richards [23]

Answer:

There are four possible combinations of gametes for the AaBb parent. Half of the gametes get a dominant A and a dominant B allele; the other half of the gametes get a recessive a and a recessive b allele. Both parents produce 25% each of AB, Ab, aB, and ab.

Explanation:

4 0
3 years ago
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