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kumpel [21]
2 years ago
5

Both ancestral birds and ancestral mammals shared a common ancestor that was terrestrial. Today, penguins (which are birds) and

seals (which are mammals) have forelimbs adapted for swimming. What term best describes the relationship of the bones in the forelimbs of penguins and seals, and what term best describes the fins of an aquatic worm and the flippers of seals
Biology
1 answer:
GuDViN [60]2 years ago
4 0

Hom0logous structures describes the relationship the bones in the forelimbs of penguins and seals as well as the fins of an aquatic worm and the flippers of seals

<h3>What is evolution?</h3>

Evolution refers to the process whereby complex life forms develop from simple life forms or non-living matter as a result of gradual changes over a long period of time.

Evidence for evolution include:

  • Fossil records
  • Anatomy
  • Embryology
  • Biogeography

Similarity in function and structure of anatomical features is known as h0mologous structures.

Hom0logous structures describes the relationship the bones in the forelimbs of penguins and seals as well as the fins of an aquatic worm and the flippers of seals.

Learn more about evolution at: brainly.com/question/1589147

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Lostsunrise [7]

Answer: it must go through a period known as interphase.

Explanation:

Before a cell can enter the active phases of mitosis, however, it must go through a period known as interphase, during which it grows and produces the various proteins necessary for division.

8 0
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The planets and Neptune are known as the . These planets are the farthest away from the Sun in the solar system. They lie just b
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6 0
3 years ago
For mitochondria where an uncoupler for oxidative phosphorylation is present, which statement is TRUE?
olga nikolaevna [1]

Answer:

The correct answer is statement d.

Explanation:

In oxidative phosphorylation that takes place in mitochondria, the uncouplers prevent the coupling in between the phosphorylation reactions and electron transport, and therefore, prevent the synthesis of ATP without influencing the ATP synthase and respiratory chain.  

The uncoupler always exhibits its influence on the synthesis of ATP. The 2,4-dinitrophenol functions as an uncoupler at the time of oxidative phosphorylation. The NADPH and FAD functions as an electron carrier.  

3 0
4 years ago
Which cell population of WBCs migrate to sites of injury and cross the capillary wall to accumulate within damaged tissues, wher
Harman [31]

Answer:

The correct answer is -  Basophils

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Basophils are one of the granulocytes of WBC. The basophils move to site of damaged tissue. They cross the capillary endothelium and gathred in the damaged tissues. They discharge their granules into the interstitial fluids.

The granules which is secreted by basophils includes histamine, heparin, and serotonin.The histamine dilates blood vessels, the heparin prevents blood clotting.

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5 0
3 years ago
The number of possible genetically different gametes for an organism equals
masya89 [10]

The organism can produce 12 genetically different gametes.

<h3><u>Explanation:</u></h3>

The gametes are the unit of sexual reproduction which are produced by an organism from their germ mother cell by means of meiosis. This gametes do carry half the amount of total chromosomes that is present inside each cell of that organism. This process let's the genetic combinations of chromosomes to get more variations among offsprings. But this isn't the only source of variation among the offsprings.

Each and every germ mother cell that's undergoing the meiotic division undergoes a process called crossing over and chaismata formation which gives the genetic mixing among the different alleles of same character among the organism.

Thus, statistically, if the organism has n pairs of chromosomes, then the organism will be able to produce 2n number of genetically different gametes which helps in finding out the probability of genotype of the offsprings.

So if the organism has 6 pairs of chromosomes, then the organism will be able to produce 12 genetically different gametes.

3 0
4 years ago
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