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valentina_108 [34]
3 years ago
5

Which of these animals is considered a model for punctuated equilibrium? whale ammonite archaeopteryx

Biology
2 answers:
zysi [14]3 years ago
5 0
It is an ammonite ...........
Nezavi [6.7K]3 years ago
4 0

Yes, it is an Ammonite.

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5. Heterospory occasionally occurs in lycophytes and ferns, and in all seed plants. Botanists are convinced that heterospory mus
Margaret [11]

Answer:

An advantage to heterospory is endosporic gametophyte.

The endosporic gametophyte do permits for embryonic formation. It prompts it to have a reduced vulnerability to varying form of environments.

The second advantage that heterscopy could offer to plants is ensuring of a well apportioned nutrient filled environment.

The well apportioned nutrient filled environment is formed as a result of the megasporangium been adhered to the sporophytic plant body. This sees to promote a good formation of the embryo.

A further advantage of heterscopy is the aftermath of fertilization.

This integument is hard as it is necessary to preserve the female gametophyte and embryo.

8 0
4 years ago
Pufferfish (Fugu) are a delicacy in Japan, but must be cleaned very carefully as their liver contains tetrodotoxin which blocks
Yuliya22 [10]

Answer:

Option (C).

Explanation:

Membrane potential may be defined as the difference in the electric potential of the inside and outside of the cell. The resting membrane potential of neuronal cell is -70mV.

Pufferfish contains tetrodotoxin that blocks the voltage gated sodium channels. The movement of sodium ions inside the cell causes the depolarization of cell and makes the cell membrane potential towards more positive. This tetrodotoxin causes the normal resting potential but the cell are not able to depolarize if the stimulus is given to the cell.

Thus, the correct answer is option (c).

4 0
3 years ago
When a compound donates (loses) electrons (hydrogen ion), that compound becomes _______. Such a compound is often referred to as
nata0808 [166]

Answer:

Oxidized

Explanation:

Compounds that lose or donate electrons are also called electron donors. They act as reducing agents in chemical reactions where they reduce the oxidation states of compounds they react with and they become oxidized themselves.

For example; in the reaction between Hydrogen gas and oxygen to form water

2H+ + O2- _____> H20

Two hydrogen atoms donate their electrons to an oxygen atom, reducing the oxidation state of oxygen to 2- and oxidized itself to +1

4 0
3 years ago
I WILL GIVE BRAINLIEST!!!
swat32

Answer:

your answer is Choice C they would have 50% having the DMD. It is 100% correct I am taking biology classes and it is correct. And I also looked it up it is 50% I promise you there's no doubt 100%

5 0
3 years ago
Which best describes the relationship between population size, carrying capacity, and limiting factors?
myrzilka [38]

Answer: The correct answer is- C.

Carrying capacity can be described as the maximum number of organisms belonging to a particular species that can be sustained by resources present in the area.

Due to the presence of limiting factors ( such as food, water, weather conditions), the size of a population usually stays near its carrying capacity.

This is because initially population experience rapid growth but later on due the limiting factor ( environmental factor that causes decline in the population) it will decline and then stabilize near the carrying capacity.

Thus, population size stays near the carrying capacity because of limiting factors.


 

7 0
3 years ago
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