1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sertanlavr [38]
3 years ago
15

Which is the correct answer and why?​

Biology
2 answers:
atroni [7]3 years ago
6 0

The answer is 4 hope it helps:)

Flura [38]3 years ago
3 0

Answer is C

This is because all insect's are exo skeleton which means they body is hard

You might be interested in
Dalits are followed enters in temples true or false<br>​
makkiz [27]

Answer:

False A notice by the priest told dalits they can’t enter the temple because they are “not pure”

3 0
2 years ago
Identify the purpose of a reference point
4vir4ik [10]

Answer:

A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point. Objects that are fixed relative to Earth – such as a building, a tree, or a sign - make good reference points.

Explanation:

hope this helps

7 0
3 years ago
Read 2 more answers
Given the comparison you made between each skull, which species is most closely related to humans, the gorilla or the Australopi
zepelin [54]
I would say Australopithecus because so far, its skull is the one that resembles the most that of a human's.
5 0
3 years ago
A single ________ on the ________ chromosome plays a crucial role in the prenatal development of the testes.
Tju [1.3M]

Answer:

A single gene on the Y chromosome plays a crucial role in the parental development of the testes.

Explanation:

Y chromosome is present only in males and this chromosomes is the distinguishing factor which separates males from females. It is the smallest chromosome but of utmost importance due to its sex determining feature. Up till now, studies show that Y chromosomes only carry limited amount of genes.  

The Y chromosome, most importantly, comprises of the SRY gene. This is the gene responsible for determining the testis and for the development of the testis. The SRY gene is responsible for sex determination.

6 0
3 years ago
In a study on the biological bases of learning, lab rat a is given a drug that blocks dopamine activity in its brain. thereafter
Anvisha [2.4K]
We should expect that the rat will have have more difficulty in learning the task compared to a normal rat. This is because the rat has been injected with a certain drug that oppresses the dopamine activity. And then the rat is placed in an operant chamber where a lever-pressing task is shaped through positive reinforcement. 
8 0
3 years ago
Other questions:
  • Which air mass often originates as a different air mass in Siberia and is subsequently altered?
    14·2 answers
  • What would occur if a fetus's chorion tissue ruptured? The maternal tissue of the placenta would be damaged, causing bleeding. T
    14·2 answers
  • Select the incorrect statement.
    5·1 answer
  • Imagine that a chrome contains the following chromosome: ZYXWVUT. What type of mutation happens to produce ZYXWWVUT?
    7·1 answer
  • Matter is moved through the Earth by the interaction of Earth’s systems. Please select the best answer from the choices provided
    8·1 answer
  • Species that have many offspring at one time are usually:
    8·1 answer
  • At the doctor’s office, the doctor drains the abscess and takes a sample for culturing. She also prescribes some broad-spectrum
    6·1 answer
  • If wolves did not live on Isle Royale, what main factor would determine the amount of moose the island could support?
    7·1 answer
  • When the human body perceives internal and external stimuli, it responds to maintain a stable internal environment. What is an e
    10·1 answer
  • What type of species is most likely to lead to extinction of another species? a Invasive species b Native species c Genetically
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!