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Vikentia [17]
3 years ago
11

Are there more plats than humans right now

Biology
1 answer:
tester [92]3 years ago
7 0
Yes they technically are because plants were here before humans
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What do prokaryotes and eukaryotes have in common
xxMikexx [17]
Both prokaryotic and eukaryotic cells have a nucleus and ribosomes.
4 0
3 years ago
In C3 plants the conservation of water promotes_______.a. photorespiration. b. a shift to C4.c. photosynthesis.d. the opening of
ankoles [38]

Answer:

A) photorespiration.

Explanation:

Photorespiration is the harmful metabolic process which takes place when the concentration of oxygen in the leaf increases compared to carbon dioxide.

The RUBISCO enzyme which usually binds the carbon dioxide now binds the oxygen and form the phosphoglycolate and 3 phosphoglycerate. The phosphoglycolate is lost through the Calvin cycle as Carbon dioxide molecule. This loss proves harmful to the plants.

The photorespiration occurs when the plant faces high temperature therefore n order to prevent water loss the stomata gets closed. This result in the binding of the oxygen to the RUBISCO and thus photorespiration begins.

Thus, Option-A is correct.

6 0
3 years ago
Human birth weights range very narrowly between 5.5 and 8.5 pounds. Babies much smaller than 5.5 lbs. suffer a higher mortality
Margarita [4]

Answer:

a.  Stabilizing selection

Explanation:

Babies lower than 5.5lbs would suffer from various disorder because of low birth weight as their body would not be able to compete as well they would have weak immune system and malnourishment. Whereas high birth weight carry the equally above risk as their body wont be able to cope up and organs become insensitive to various hormones. for the survival the birth weight should be within a median range so that it would be favorable for themselves and surroundings.

Stabilizing selection occurs when a population stabilizes on a particular trait value and genetic diversity decreases. As in this example, an average baby weight has to favour against extreme variation for it's better survival.

therefore, this is an example of stabilizing selection.

3 0
3 years ago
Geologic evidence suggests that eustatic (global) sea level rises have been caused by __________.
Rudiy27
The geologic indication recommends that eustatic global sea level upsurges have remained affected by rapid seafloor scattering at divergent plate limitations. Eustatic alterations in sea level might consist of increased glacial melting due to the global warming. The Gulf coast of the united states is an instance of a coast where tectonic subsiding happens.
5 0
3 years ago
• Which of the following statements does paleontology NOT support?
kirill115 [55]
Option C. Organisms were probably more complex during past eras.
8 0
2 years ago
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