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Svetach [21]
3 years ago
5

Which two organisms have a notochord?Human, Sponge, Tunicate, Choanoflagellate

Biology
1 answer:
crimeas [40]3 years ago
3 0

Answer:

it is Tunicate

Explanation:

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Please please help me please
mojhsa [17]
It’s not B or C. I want to say A but I’m not 100% sure
3 0
3 years ago
Describe the difference between how sickle cell anemia is inherited versus how best disease is inherited. what causes this diffe
defon
Well, basically we can say that <span>Best Disease expresses itself more through the generations. The reason for that is because it is dominant. While we may say that the allele of the sickle cell anemia its indeed a recessive trait with 0% of chances, Best desease is a dominant trait with 50% of chances.</span>
8 0
3 years ago
The anterior portion of the body of most annelids, such as the earthworm, is adapted for sensing the environment.
Diano4ka-milaya [45]

Answer:

The answer is False. Although sensitive cells are <u>more abundant</u> in the <u>anterior portion</u> of the annelid´s body, in general, they are arranged in all the segments.

Explanation:

Annelids, such as the earthworm, have a variety of sensory cells:    

  • <u>Mechanoreceptors</u>, disposed of in groups in <em><u>each segment</u></em> of their body.  
  • <u>Photoreceptors</u>: Light-sensitive cells. Although they are <em><u>located in the whole </u></em>body, they are <em><u>abundant in anterior and posterior segments</u></em>, concentrated in the intern and dorsal part of the epidermis.
  • <u>Humidity receptors</u> are the most sensitive cells and are <u>located in the first segments</u> of the earthworm body
  • <u>Chemoreceptors</u>: sensorial cells cumulus forming a prominent tubercle with prolongations that extends through the cuticle. These tubercles form three rings <em><u>in each segment</u></em> but are especially <em><u>abundant in the anterior part</u></em> of the body.

The tegument is very rich in free nervous terminations, which functions might be tactile.

6 0
3 years ago
Which statement explains how smog forms?
ANEK [815]

Answer:

Sunlight and heat react with gases in the atmosphere.

Explanation:

Smog forms purely as a result of air pollution.

Gases released from machines on earth rise up the sky.

The risen gases then meet and react with the sun plus fine particles in the atmosphere, smog forms.

Smog causes a lot of problems on earth among them being:

  • Accidents due to the blurry effect causedv by smog on roads thereby distructing drivers.
3 0
3 years ago
Read 2 more answers
Which diseases result from inherited changes in DNA sequence?
anyanavicka [17]

Which diseases result from inherited changes in DNA sequence?

Mutations

6 0
3 years ago
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