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Rashid [163]
3 years ago
12

Compare the hazards (ultraviolet waves, X-rays, Gamma rays)

Biology
1 answer:
3241004551 [841]3 years ago
4 0
UV X-rays & Gamma rays are ionizing radiation. UV can damage skin cells, but X-ray and Gamma rays can cause the mutation of genes, which can lead to cancer.
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Which structure is at work when the body deals with reflex actions?
Ne4ueva [31]

Answer:

spinal cord

Explanation:

Reflex actions are the involuntary action of the body in response to a signal or stimulus. The reflex action of body is controlled by spinal cord.

Reflex arc acts as a neural pathways that transmit impulse to the brain via spinal cord. Sensory neurons pass through synapse in the spinal cord which activate spinal motor neuron to act immediately without any delay.

Immediate taking off hand from hot oven is an example of reflex action, which is regulated by spinal cord.  

Hence, the correct option is spinal cord.

 

5 0
3 years ago
Read 2 more answers
Can someone Help me with this please
Harrizon [31]

Answer:

Explanation:

1> Because meat is more calorically dense than vegetables

2>Sunlight is necessary for plants to grow, and to provide energy to warm the earth's atmosphere. Light intensity controls plant growth. Light duration affects plant flowering and animal/insect habits.

3> The pyramid of biomass can be upright or inverted, but pyramid of energy is always upright.

4 0
3 years ago
Describe why the earth experiences high and low tides.
umka2103 [35]
Because of the moons gravitational pull, is strong enough to pull the ocean around... I hope that helps!
5 0
3 years ago
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Which layer of Earth's atmosphere is most strongly affected by conditions on the sun's surface?(1 point)
makvit [3.9K]

Answer:thermosphere

Explanation:

4 0
3 years ago
A trihybrid cross is a cross between two individuals who are heterozygous for three genes. For example: AaBbCc x AaBbCc. Assumin
Mariulka [41]

Answer:

27:9:9:9:3:3:3:1

Explanation:

The gametes of the parental genotypes would be  

ABC, ABc, AbC, aBC, Abc, aBc, abC, abc

The cross between AaBbCc and AaBbCc will result into following offspring  (image is also attached)

        ABC        ABc           AbC   aBC         Abc     aBc abC abc

ABC AABBCC       AABBCc AABbCC   AaBBCC AABbCc AaBBCc AaBbCC AaBbCc

ABc AABBCc AABBcc AABbCc AaBBCc AaBbcc AaBBcc AaBbCc AaBbcc

AbC AABbCC AABbCc AAbbCC AaBbCC AAbbCc AaBbCc AabbCC AabbCc

aBC AaBBCC AaBBCc AaBbCC aaBBCC AaBbCc aaBBCc aaBbCC aaBbCc

Abc AABbCc AABbcc AAbbCc AaBbCc AAbbcc AaBbcc AabbCc Aabbcc

aBc AaBBCc AaBBcc AaBbCc aaBBCc AaBbcc aaBBcc aaBbCc aaBbcc

abC AaBbCC AaBbCc AabbCC aaBbCC AabbCc aaBbCc aabbCC aabbCc

abc AaBbCc AaBbcc AabbCc aaBbCc Aabbcc aaBbcc aabbCc aabbcc

The genotype ratio is 27:9:9:9:3:3:3:1

5 0
3 years ago
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