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vovangra [49]
2 years ago
13

Which of these observations gives the most support to the endosymbiotic theory for the origin of eukaryotic cells?.

Biology
1 answer:
olasank [31]2 years ago
6 0

Answer:answer b

Explanation: sorry for being late

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What is the difference between a rock and a mineral?
Zarrin [17]

Answer:

what they are classified as the chemicals in them and what category there in

Explanation:

A mineral is a solid, inorganic, naturally occurring, ordered arrangement of an element or compound that has a fairly specific composition.

6 0
2 years ago
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River dolphins are morphologically distinct from other dolphins and are primarily restricted to freshwater ecosystems in Asia an
Stels [109]

Answer:

a. True

Explanation:

  • The river dolphin is a group of aquatic animals that is specially adapted to the fresh water and are relatively smaller compared to the other dolphins.
  • They have evolved to survive in shallow waters and strong-river currents. These dolphins are not very widely disturbed and are found in certain deltas and rivers.
3 0
3 years ago
The immune system has both specific and nonspecific immune responses against pathogens. Which scenario describes a specific immu
vovangra [49]

Answer:

antibodies being produced to fight off a pathogen inside the body

Explanation:

Specific immune responses, also known as the adaptive immune system are ways the body fights against pathogens. The body is able to identify cells that are unique to it. When pathogens bearing an unknown identity enter the body, antibodies are released to attack the antigens on the surface of these pathogens.

The body usually develops this immunity after a previous attack by the pathogen. Lymphocytes known as the B and T cells are released by the immune system t engulf the pathogens.

3 0
3 years ago
If two different purebreds are crossed what type of traits will their hybrid offspring have?
Artemon [7]
Answer: Dominant and Recessive traits.

Explanation: I’m not for sure what the question is asking and my answer doesn’t make that much sense to answer the question but I know the offspring will have some form of dominant and recessive traits.
7 0
2 years ago
Overall, do you think photosynthesis is endothermic or exothermic? Explain your answer.
kifflom [539]
The answer is endothermic.

Endothermic reactions are reactions that need energy to form a product.
Exothermic reactions are reactions that release energy.

Photosynthesis is a process in which energy of sunlight is used to convert carbon dioxide and water into glucose and oxygen. Hence, the energy of sunlight is needed for photosynthesis. So, photosynthesis is endothermic.
6 0
3 years ago
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