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Bumek [7]
3 years ago
11

Which of the following body systems has the main function of sending signals from one part of the body to other parts of the bod

y? I. excretory system II. reproductive system III. nervous system IV. immune system A. I only B. I and II only C. III only D. I, II, and III only
Biology
1 answer:
Lynna [10]3 years ago
4 0

Answer:

C. III only

Explanation:

  • The nervous system controls all the functions of the body through the transmission of nerve impulses throughout the body.
  • The nervous system is composed of:
  1. Central nervous system: brain, spinal cord
  2. Peripheral nervous system: nerves
  • Sensory nerves in various parts of the body conduct nerve impulses and transmit the signals to the central nervous system that generates a response that travels through motor neurons to the site of the stimulus.
  • Apart from the nervous system that communicates through electrical signals, the endocrine system coordinates body functions through chemical signals.
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Forensic anthropologists note that if we separate all of humanity into three groups (white, black, Asian), there are common trai
Talja [164]

Answer: C. In using a small number of "races," forensic anthropologists will incorrectly identify individuals from populations such as the Middle East or India, with the potential for false identification of the deceased.

Explanation:

Forensic anthropologists are the scientists who studies the morphological as well as the skeletal parts of the humans, animals, and birds both living or dead. These scientists can determine the age, sex and ethnic group or race in cases of impersonation as well as in cases of dead skeletal remains.

C. is the correct option, as it is a kind of bias. As the groups of humanity is wide in the form of white, black and Asian. Therefore, comparing the skeletal remains to small number of races can raise a valid criticism of the approach of skeletal examination and identification of deceased.

4 0
3 years ago
What is true of NAD in cellular respiration?
Cerrena [4.2K]
D NAD is used to directly break apart the glucose molecules I believe
7 0
3 years ago
Limited resources contribute to evolutionary change in animals by increasing
Shtirlitz [24]

<u>Answer:</u>

Limited resources contribute to evolutionary change in animals by increasing Intra-specific competition.  

<u>Explanation:</u>

  • Intra-specific competition means competition among the members of same species.
  • Individual of same species have same ecological niche i.e. how an organism is related with biotic and abiotic aspect of environment.
  • So they require same resources of their survival. When population of any species increases then there is high chance of intra-specific competition because of limited resources.
  • Intra-specific competition also determine the population size of species. For example, competition among shark rodents.
3 0
3 years ago
Hi pls help i’ll give brainliest
Viktor [21]

Answer:

The third choice.

Explanation:

It is near the Orion Arm and extremely far from the center. Although I don't know about the "tip"

4 0
3 years ago
In garden peas, long stems are dominant to short stems, and yellow seeds are dominants to green seeds, too long/yellow pea plant
Lera25 [3.4K]

Answer:

A) 300

B) 3:1

C) 9 long yellow : 3 long green : 3 short yellow : 1 short green

Explanation:

Long stems (L_) are dominant to short stems (ll)

Yellow seeds (Y_) are dominant to green seeds (yy)

We interbred pea plants with long stems and yellow seeds (L_Y_), but they had a short green parent (llyy) that could have only produced <em>ly</em> gametes, so our plants are heterozygous <em>LlYy</em>.

C) We interbred them LlYy x LlYy. If the two genes are unlinked, this is a typical dihybrid cross and from Mendel's law of independent assortment we know that the offspring will have the following phenotypic ratios:

  • 9/16 L_Y_ (Long, yellow)
  • 3/16 L_yy (Long, green)
  • 3/16 llY_ (short, yellow)
  • 1/16 llyy (short, green)

A) 3/16 × 1600 = 300 plants will be long and green.

B)

9/16 + 3/16 = 12/16= 3/4 plants will be yellow;

3/16 + 1/16 = 4/16= 1/4 plants will be green.

The ratio will be 3 yellow : 1 green

6 0
3 years ago
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