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Damm [24]
3 years ago
9

7 Which must be true of any scientific hypothesis? *

Biology
2 answers:
zavuch27 [327]3 years ago
4 0
Yes, I believe it's <span>A. must be testable. So it can either be proven or disproved. 
</span><span>
</span>
Marrrta [24]3 years ago
4 0
It is A if you're going to have a hypothesis in anything scientific or not it has to be testible otherwise its just a question.
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Sharks and other predators do not normally eat plants however they do receive some energy from plants how is this possible
Leya [2.2K]
Animals get their energy by eating food.
Some animals eat plants. These are called herbivores.
They can also be known as primary consumers.
Carp is a herbivorous fish.


Nutrition – being able to get energy out of food ... Plants get their energy from the sun. ... Some animals eat both plants ... Predators. Predators eat other animals. Sharks eat fish so they are.

4 0
4 years ago
Which statements about viruses are true? Select all that apply. A. Viruses are ultramicroscopic cells. B. Viruses are infectious
dlinn [17]

Answer:

Answers A, B, C, D and E are all correct

Explanation:

Viruses are non living, ultramicroscopic cells, infectious particles with a protein coat surrounding the nucleic acid that replicate inside any life form and infeft them.

Bacteriophages, like viruses that can also infect the animal cells infected by the bacteria.

7 0
3 years ago
Read 2 more answers
4. There are a variety of receptors and second messenger systems in cells that in many cases exhibit cross-talk with each other
frutty [35]

Answer:

These 3 receptors are different from each other. They do differ from each other by their location and function.

1. Testosterone receptor :  It is an Androgenic receptor

2. Ferrotransferrin receptor :  It acts as an element-binding protein which is iron responsive.

3. Fibroblast growth factor :  It acts as a growth factor.

Explanation:

1. Testosterone :

Location- Xq 11-12 in the X chromosome.

Function-  

  1. maintains male skeletal integrity by osteoblast and osteocytes.
  2. maintains female sexual, somatic and behavior.
  3. develops male sexual characters.

2. Ferrotransferrin :

Location- chromosome 3q21

Function-

  1. intakes iron in the cell.
  2. maintains the cellular iron equilibrium.
  3. post-transcriptional modification.  

3. Fibroblast (growth) :

Location- chromosome 4p16.3

Function-

  1. helps in bone development.
  2. helps in bone growth maintenance by ossification.

8 0
3 years ago
The rotation is responsible for what we call _________; the tilt on the axis influences the ________.
masya89 [10]
Well basically rotation causes Night and Day. The earth tilts on a 23.5 degree tilt and that is also a big part of day and night. Seasons are also affected by the tilt. When the earth is tilted towards the sun, it’s summer when it’s tilted away from the sun, it’s winter
4 0
3 years ago
Please help i am giving away brainiliest
Tom [10]

Answer:

A. selective pressures that favor certain individuals

Explanation:

4 0
3 years ago
Read 2 more answers
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