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
katen-ka-za [31]
3 years ago
8

Which of the following describes the embryonic period? the period during which the zygote moves down to the uterus and begins to

implant in the lining the period during which the major organs and structures of the organism first develop the period during which the umbilical cord develops the period during which the placenta begins to function the period during which tremendous growth occurs and the organs continue to develop and become functional
Biology
1 answer:
muminat3 years ago
6 0

Answer:

Option (2).

Explanation:

Zygote is formed by the fusion of the male and female gamete during the process of sexual reproduction. The zygote undergoes further development inside the female womb.

The embryonic period starts from the third week after the conception. The important organs and structure development occur during the embryonic period. The formation of three germ layers occur in this period.

Thus, the correct answer is option (2)

You might be interested in
GgBb _grey fur and black eyes.
gizmo_the_mogwai [7]

Answer No 4:

The possible gametes for a homozygous grey furred and homozygous black eyed rabbit will be GGBB.

Answer No 3:

The possible gametes for a heterozygous grey furred and heterozygous black eyed rabbit will be GgBb.

Answer No 4:

The possible gametes for a heterozygous grey furred and red eyed rabbit will be Ggbb.

Answer No 5:

The possible gametes for a white furred and heterozygous black eyed rabbit will be ggBb.

5 0
3 years ago
A function of a cell membranes in humans is the
Helga [31]
The very function, or job of CELL MEMBRANES is to protect the cell from it's surroundings, or in other words, to keep it safe. It controls the movement of substances in and out of cells and organelles, like a guard watching for suspicious activity and protecting something.

The cell membrane itself is a thin, flexible layer around the cells of all living things. It separates the inside of the cells from the outside of the cells.
6 0
3 years ago
In the pedigree that is shown, which represents Irene's allele combination?
Greeley [361]

The red-green color blindness is a recessive X-linked trait. The females are not affected unless both the X chromosomes have the affected allele. Mostly, the females are the carriers, and the males are affected as they have only one X chromosome. In the given pedigree, the father of Irene have the normal allele, while her mother is a carrier. However, Irene is neither a carrier nor affected. This means that she carries normal alleles on both X chromosomes. Hence, her allele combination is X^{H} X^{H} .

4 0
3 years ago
Read 2 more answers
PLEASE HELP
ANEK [815]

Answer:

Tubules?

Explanation

The trachea, spiracle, and air sac are part of their respiratory system, Howeber, the tubules are what take away the carbon dioxide from their system. Im not sure if they produce the carbon dioixde. But they are a part of what removes the carbon-dioxide from their body.

8 0
3 years ago
Which adaptation makes bipedalism possible?
amid [387]
An adaptation that makes bipedalism possible is the need to get around. If your slithering on the ground, you could get diseases, or get hurt.
7 0
3 years ago
Read 2 more answers
Other questions:
  • What gloves work best for insulating against heat
    10·1 answer
  • Fish lay thousands of eggs in one reproductive cycle. What are some facots that prevent the majority of these eggs from developi
    9·1 answer
  • What best explains the trend shown?
    11·2 answers
  • The mass of an object divided by the volume it takes up what??
    13·1 answer
  • All instructions for formatting characteristics (proteins)are carried on ...
    5·1 answer
  • What did James Watson and Francis crick discovered
    9·1 answer
  • Please help i do not understand
    13·2 answers
  • Native people in the Amazon rainforest use a toxin to help them catfish the toxin interferes with the gas exchange in the fish w
    9·1 answer
  • After Elijah dropped a pass in an important football game, he became depressed and vowed to quit the team because of his athleti
    5·1 answer
  • Which phase of mitosis has the
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!