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
AVprozaik [17]
3 years ago
7

What is allantois? What's it's function?

Biology
1 answer:
dolphi86 [110]3 years ago
3 0

Answer:

The function of the allantois is to collect liquid waste from the embryo, as well as to exchange gases used by the embryo.

Explanation:

(⌒_⌒;)

You might be interested in
Why leaves appear green in colour?
In-s [12.5K]

Answer:

it's because of a pigment called cholorophyll present in leaves..

5 0
2 years ago
Read 2 more answers
4. Chargaff's research had shown that there are four monomers in DNA, in which two are always present in equal
viva [34]

Answer:

The monomers of DNA are individual nucleotides: cytosine,  guanine, adenine, and thiamine,  (A, T, C, G, respectively). Since DNA is a double-stranded molecule, each nucleotide has a match that chemically interacts with it to form nucleotide pairs

Explanation:

8 0
3 years ago
A phycologist is interested in testing the claim that the proportion of algae from a local rivulet that belonged to the particul
Shkiper50 [21]

Answer:

The test statistic for this hypothesis test is - 3.68.

Explanation:

A test statistic is a random variable that is calculated from sample data and used in a hypothesis test. You can use test statistics to determine whether to reject the null hypothesis. The test statistic compares your data with what is expected under the null hypothesis.

Sample proportion = 38/50

= 0.76

Hence,

Test statistic

= \frac{0.76-0.50}{\sqrt{0.50*0.50/50}}

= 3.68

4 0
3 years ago
Which behavior is a response to an external stimulus?
zhannawk [14.2K]
The answer is D. A turtle suns itself on a rock during a cool day
4 0
3 years ago
Read 2 more answers
Which body system includes vitamin D production and protection against pathogens and excess water loss?
Fantom [35]

Answer:

A. Integumentary system

Explanation:

The integumentary system consists of the skin,hair and nail. This system consists of the largest organ in the body. The skin helps in protection against pathogens by shielding the internal body system from external objects.

The skin also helps in Vitamin D production through sunlight.

It also helps to prevent dehydration through regulation of water loss.

7 0
3 years ago
Other questions:
  • Which organelle can be compared to a security guard who decides whom may enter a building and whom may not?
    7·2 answers
  • What part of a flowering plant becomes fruit? seed ovary stem spore
    13·1 answer
  • | ANSWER NEED ASAP | Which of these is a disease that testing can be done for in either the parents or the child?
    14·2 answers
  • Which level of organization is directly below organ system? organelle cell tissue organ
    5·2 answers
  • Help with science plz! Giving brainlist :D
    14·1 answer
  • Blood enters the heart from the arteries.<br><br><br> TrueFalse
    11·1 answer
  • which of these is the best imaging technique for routinely examine the anatomical development of a fetus
    12·1 answer
  • Match the muscle with the correct<br> letter from the diagram.
    7·1 answer
  • Please help with my science thank yoouu
    11·1 answer
  • 55.37
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!