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
Sauron [17]
3 years ago
9

according to the theory of evolution, birds feathers evolved from: a) reptiles scales b) fish fins c) gill slits d) gill arches

Biology
1 answer:
Ksju [112]3 years ago
5 0
Reptile scales! Or, more specifically, reptiles descended from dinosaurs. 
You might be interested in
Where are proteins made in the cell?
sweet [91]

The attached ribosomes make protein

4 0
3 years ago
Read 2 more answers
Bird guides once listed the myrtle warbler and Audubon's warbler as distinct species Recently, these birds have been reclassifie
ser-zykov [4K]

Answer:

The two forms interbreed and their offspring survive and reproduce well.

Explanation:

When talking about classification of species, one of the first features observed is the species fitness, which describes the reproductive success or their ability to leave to their successive generations the most copies of their genotype. When different species that were recently divided into 2, by geographic isolation, for instance, usually there is no genetic compatibility, and if its possible to produce offspring, there might be some development issues like infertility.

8 0
3 years ago
What term best describes the rock outer layer of the Earth?
Annette [7]

Answer:

The crust

Explanation:

The solid, outer layer is called the crust.

3 0
3 years ago
Read 2 more answers
Reproduction is a process by which an organism produces offspring, or young, and passes on its traits or characteristics. Mitosi
Ivanshal [37]

Answer:

D i think would be the best answer my studie in this part of health is low

6 0
3 years ago
Read 2 more answers
Explain how the process of meiosis relates to the way in which a child
prisoha [69]
Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. That means that they will never be a copy of their parents because of their different genetic material. Characteristics, such as eye color, hair type and color, the shapes of facial features, and height and build, and attribute the combinations of these to the portions of DNA inherited from each parent which makes them different but still carry the DNA of their parents.
8 0
3 years ago
Other questions:
  • Help me to do 5th question pls​
    9·1 answer
  • Descriptive relativism necessarily implies metaethical relativism.​ <br> a. True <br> b. False
    10·1 answer
  • 1. True or False Flatworms are known as acoelomates.
    14·1 answer
  • A change in which factor will affect the rate of reaction only when gases are involved?
    6·2 answers
  • Bioinformatics can
    13·1 answer
  • Using 1 2 3 4 5 to place the protein creation steps below in the correct order
    11·1 answer
  • Each enzyme has a temperature at which it works best. A slight increase in temperature can increase enzyme activity while a larg
    12·1 answer
  • In a forest ecosystem, seeds are eaten by mice, which are eaten by hawks. If the population of hawks suddenly increased:
    10·1 answer
  • You know that one cell produces four daughter
    15·1 answer
  • Which of these is a downside of the Endangered Species Act?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!