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Svet_ta [14]
1 year ago
12

Why do three species have similarities and differences in their body structure, and how can Xiao use the structures to determine

if the new fossil is more closely related to hippopotamus or green iguanas?
Biology
1 answer:
Varvara68 [4.7K]1 year ago
4 0

Answer:  Xiao can use these structures to create a similarity matrix that enables to differentiate between synapomorphies and homoplasies .

Explanation: A synapomorphy is a trait that has been inherited from the same ancestor, this trait enables to establish a relation of homology between two or more species; while a homoplasy is an analog structure that doesn't have homology.

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7. Mrs. Everhart developed the theory that all bulldogs are great pets. After all her bulldog Meatball is a
Leno4ka [110]

Answer:

No it is not a scientific theory.

Explanation:

An explanation of any aspect of the natural phenomenon of the world that can be tested several times and well supported by the evidence, and follows the scientific method. Furthermore known as scientific theory.

Presently, a logical hypothesis must meet a few rules, and one of those is that it must be upheld by a few (and free) strands of proof.  

For this situation, we have just one hypothesis, that bulldogs are great pet and Meatball is great among bulldogs, and it isn't sufficient, at that point it can not be a scientific theory.

8 0
1 year ago
Explain why organisms that have an electron transport chain as well as fermentation pathways seldom ferment pyruvate, if an elec
shepuryov [24]
Fermentation is extremely inefficient in terms of the number of ATP molecules produced for each molecule of glucose metabolized. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
6 0
2 years ago
what do you think would happen if you took an antacid prior to eating a hamburger? think about this in terms of what buffers do
Alekssandra [29.7K]

Answer:

what?! my one working breain cell is like" what?!

me no uNdErStanD "

Explanation:

5 0
2 years ago
Read 2 more answers
Which of the following hormones is currently thought to decrease plasma calcium levels in pregnant women and children?
goldenfox [79]

Answer:

Calcitonin

Explanation:

Calcitonin hormone is released by the para follicular cells of the thyroid gland.   This hormone works against the parathyroid hormone.

Calcitonin hormone regulates the level of calcium by decreasing the blood calcium level. This hormone inhibits the osteoclast activity of the cells and decreases the absorption of calcium in pregnant women and child. Hence, calacitonin decreases plasma calcium levels in pregnant women and children.

Thus, the correct answer is option (B).  

6 0
1 year ago
Explain what friction corollas and a low pressure gradient does to an air parcel?
Kipish [7]

Answer with Explanation:

Coriolis Force - refers to the fictitious force that acts perpendicularly to the direction of a rotating motion.

Air parcel - refers to a body of air that is <em>"imaginary."</em>

Pressure gradient - the change in pressure across a given distance.

Pressure gradient force - the net force that is being directed from high pressure to low pressure.

When an<em> air parcel is at rest, </em><u>the pressure gradient force acts upon it.</u> It will then move from<em> high pressure to low pressure.</em>

However, when the air parcel starts to be in motion, its direction will be changed with the help of the Coriolis force. Thus, it moves to the right side of the Northern hemisphere.

Once the speed of the wind increases, the change in direction of the air parcel increases. This happens until the pressure gradient force and the Coriolis Force are equal in magnitude. When this happens, the wind will start blowing parallel to the points of equal pressure. The wind will now then be referred to as in "geostrophic balance."

When friction happens, the geostrophic balance breaks. The flow of the wind will be slowed down. This means that the Coriolis force will also be lessened. The air parcel will then move towards the lower region.

6 0
1 year ago
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