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
arsen [322]
2 years ago
11

Question: Review the images and text about stages 13 (about 32 days) and 23 (about 53-58 days), and compare the limb development

at these stages.
Answer: In stage 13, all four limb buds are present. In stage 13, the upper limb buds resemble flippers. In stage 23, the upper limb shows well-formed arm, elbow, wrist, and fingers. In stage 23, the lower limb shows well-formed toes, feet, and knees.
Biology
1 answer:
dezoksy [38]2 years ago
6 0

Answer:

n stage 13, all four limb buds are present. In stage 13, the upper limb buds resemble flippers. In stage 23, the upper limb shows well-formed arm, elbow, wrist, and fingers. In stage 23, the lower limb shows well-formed toes, feet, and knees.

Explanation:

You might be interested in
Use Darwin's theory of Natural Selection to explain the process by which the four-legged land animal, A, may have evolved, over
Len [333]

Answer:

Due to environmental conditions.

Explanation:

With the passage of time, environmental conditions change which causes the evolution of of four legged land animals from fish like creature. This change occurs due to change in environment. In water, there is no need for legs because fish moves with the help of fins and tail but the organisms that lives on land has legs in order to move from one place to another so we can say that change in the physical structure of organism occurs due to environment.

5 0
2 years ago
Explain why bacterial cellsouter memarane ruptures when the cells
qwelly [4]

Answer and Explanation:

When a cell is freezed, it cytoplasm-which is mostly water- is frozen and its volume expands. In consequence, pressure inside the cell increases and that causes damage to the outer wall.

The same occur in an unopened softdrink when it freezes. The volume inside the container increases and the pressure increases. If this volume increment is not considered before freezing the liquid, it could cause the container damage or breaking.

6 0
3 years ago
This is an animal with a backbone or a notochord.
lora16 [44]

Answer:

Chordates share some common traits. At some point in their life cycle, they have a notochord, a nerve cord, and pharyngeal (fayr uhn JEE uhl) slits in the neck or throat. The notochord is a flexible rod that supports the animal's back. ... Sharks are one type of vertebrate animal that have backbones made of cartilage.

4 0
2 years ago
What happens when oceanic crust collides with continental crust at a plate boundary?
antoniya [11.8K]
 Oceanic crust<span>tends to be denser and thinner than </span>continental crust<span>, so the denser </span>oceanic crust<span> gets bent and pulled under, or subducted, beneath the lighter and thicker </span>continental crust<span>. This forms what is called a subduction zone. The answer is B.</span>
3 0
3 years ago
Read 2 more answers
The what are located on either side of the uterus and serve passage way to the uterus
Juli2301 [7.4K]
Answer: <span>fallopian tubes

The fallopian tubes are two narrow tubes located on either side of the uterus that are involved in transporting the female egg from the ovaries to the uterus.</span>
3 0
3 years ago
Other questions:
  • Polyribosomes ______.
    14·2 answers
  • Reproductive isolation is _____.
    12·1 answer
  • In class, your professor shows you the skulls of three mammals. In one, the eye would be fully enclosed by bone. In the second,
    7·1 answer
  • Which of the following is NOT a type of fungus
    8·1 answer
  • HELP PLS<br><br> How did Newton map the orbits of the planets?
    15·1 answer
  • True or False? The number of people on this Earth is staying about the same. *<br><br> true or false
    6·2 answers
  • Rainbow trout is non-native to the United States. However, this species is breeding with the native Gila trout. Scientists recen
    11·1 answer
  • Nonpolar molecule composed of carbon hydrogen oxygen includes fats and oils
    9·1 answer
  • _________ are chemicals nonhumans secrete into the environment that produce a reaction in other members of the same species, per
    11·1 answer
  • Which processes are involved in metabolism?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!