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LUCKY_DIMON [66]
3 years ago
6

25. Which statement correctly describes part of the

Biology
1 answer:
Mazyrski [523]3 years ago
3 0

Answer:

a

Explanation:

looked it up

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Sarah turns quickly and sees the soccer ball hurtling toward her face. She blinks and ducks for cover. During this reaction, Sar
balandron [24]

Answer:

The correct answer is: C.

Explanation:

  • The given situation is the example of a Reflex Action.
  • Reflex action can be defined as an action shown in response to a sudden stimulus.
  • The CNS or the Central Nervous System is comprised of the Brain and the Spinal Cord which receives the Sensory impulses from the Receptor organ, integrates or decides on the response which needs to be provided and then sends the Response impulses to the Effector organ.
  • The PNS or the Peripheral Nervous System is comprised of the sensory and motor neurons those are responsible for connecting the Sensory organ and the Motor organ to the CNS, respectively.
  • In the situation, Sarah's eyes perceives the ball and sends sensory impulses through the optic nerve containing the sensory neurons (PNS) to the spinal cord.
  • The spinal cord possess inter-neurons (CNS) that decides over the action to be done in response to the stimulus.
  • The Response stimulus is send from the inter-neurons via the motor neurons (PNS) to the eye muscles of Sarah and Sarah performs the action, that is, she blinks.
6 0
3 years ago
Mutations can occur in the chromosomes of all types of cells. Mutations that are passed on to offspring must occur in what?
Fed [463]

Answer:

Gametes

Explanation:

6 0
3 years ago
Why do malleable and ductile physical properties help make minerals useful? Pls answer with a simple/easy to understand answer
vodomira [7]

Answer:

Malleable and ductile properties indeed help minerals useful. Both properties are useful because they help in transforming the shapes of minerals. Malleability is a useful property since it can be flattened or pounded by a hammer. Also, the ductile property makes it possible for the minerals to be stretched in the form of a wire. These two properties makes it useful for minerals.

Explanation:

Malleable and ductile properties indeed help minerals useful.

Both properties help in transforming the shapes of minerals.

Malleability is a useful property since it can be flattened or pounded by a hammer.

The ductile property makes it possible for the minerals to be stretched in the form of a wire.

7 0
2 years ago
Flower color in snapdragons is an example of incomplete dominance. When a red-flowered plant is crossed with a white-flowered pl
Ira Lisetskai [31]

Answer:

25% red flowered

25% white flowered

50% pink flowered

Explanation:

Let the red flower color be represented by RR, the white color by rr.

When RR was crossed with rr, the offspring had pink flowers;

RR   x   rr = Rr, Rr, Rr, Rr (Pink color)

Crossing Rr with another Rr

Rr   x   Rr  = RR, Rr, Rr, rr

RR = red

Rr = pink

rr = white

<em>Hence, if a pink flowered plant is crossed with another pink flowered plant, 25% of their offspring will be red, 25% will be white and 50% will be pink.</em>

4 0
3 years ago
The sympathetic chain of ganglia is found at the __________ levels of the spinal cord.
torisob [31]

Answer:

lateral and venteral

Explanation:

the chain extends from the upper neck down to the coccyx, forming the upward coccygeal gangilion

8 0
2 years ago
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