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dimaraw [331]
3 years ago
13

Sophie says dolphins and sharks look very similar so they must be related Jake disagrees says dna evidence has shown that the do

lphins and other mammals are actually more closely related to the of modern hippos who is cracked using the modern system system of classification
Biology
1 answer:
anyanavicka [17]3 years ago
6 0

Answer:

Jake is correct.

Explanation:

Sophie is wrong because although dolphins and sharks can technically be said to be similar, it resulted from convergent evolution, which has nothing to do with common ancestry and rather to do with similar environments for their homes.

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How have invasive species impacted the earth?
gayaneshka [121]

<em>Answer: Introducing a species into a new environment may have a variety of outcomes. ... However, when these alien species begin to have negative consequences in the new habitat, they are called invasive species. Invasive species may cause environmental harm, economic harm, or impact human health.</em>

5 0
3 years ago
Bone resorption is a process whereby bone matrix is ____________ by substances released by ____________ . The lysosomes inside o
Nikitich [7]

Answer:

a. destroyed

b. osteoclasts

c. proteolytic enzymes

d. hydrochloric acid

e. blood

f. low

Explanation:

Resorption is the loss of substance from any mineralized tissue, mediated by cellular and humoral systems of their own. The four mineralized tissues of our economy, bone, cement, dentin (mineralized fraction of the dentino-pulp functional complex) and enamel, offer different degrees of resistance to resorption. The bone has the greatest lability and the enamel the least. The fact that the bone tissue is the least resistant to resorption is used to move and reposition teeth by controlled forces (orthodontics); and the fact that the enamel is the most resistant has led to think that it does not suffer from resorption.

Osteoclasts They are the spring cells par excellence; they belong to the lineage of the monocitomacrophages. They are large, multinucleated mobile cells, with a clear area and a rough brush border that live for about two weeks and disappear by apoptosis (cell death programmed by fragmentation in membrane particles that allows their phagocytosis without inflammation). They are responsible for the destruction of the organic and inorganic parts of the mineralized bone fraction. They are active both in the processes of the physiological renewal of the bone and in those of its pathological loss.

8 0
3 years ago
How do secondary consumer obtain their energy? <br><br>Please someone help me ​
Orlov [11]

Answer:

Consumers must obtain their nutrients and energy by eating other organisms. Decomposers break down animal remains and wastes to get energy.

secondary consumer obtain their energy by eating or consuming primary consumers.

7 0
3 years ago
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Rainbow [258]

Answer:

The correct answer is "random coils".

Explanation:

Random coil is a type of polypeptide secondary structure comprised of conformation that do not follow an established conformation but rather are oriented randomly. These random coils conformations provides flexibility to proteins, since the lack of a particular structure (such as alpha helices or beta sheets), allows the protein to bend, fold or move.

4 0
3 years ago
New ocean crust is formed at?
umka2103 [35]
It is formed at Divergent boundaries, two tectonic plates diverge from one another. New oceanic crust is being formed by hot molten rock slowly cooling and solidifying. The crust is very thin.
4 0
3 years ago
Read 2 more answers
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