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
iogann1982 [59]
3 years ago
6

These are four types of feathers found in birds. The structure of these feathers is most likely composed of...

Biology
2 answers:
goldfiish [28.3K]3 years ago
8 0
It would be C because hair and feathers and what not are made from the protein keratin.
EastWind [94]3 years ago
3 0
It would be C. Protein

You might be interested in
what happens when error occur during dna replication rna transcription or the translation of mrna into proteins
Ivanshal [37]
when replication mistakes are not corrected they may result in mutations which sometimes can have consequences
8 0
2 years ago
Read 2 more answers
Some species of hummingbirds have different shapes of beaks that evolved to allow them to drink from certain flowers. The flower
Lesechka [4]

Answer:

<em>mutualism, parasitism, adaptive radiation).</em>

Explanation:

Some species of hummingbirds have different shapes of beaks that evolved to allow them to drink from certain flowers. the flower species have evolved to produce nectar that is tasty for the hummingbirds. this example is a type of (coevolution, convergent evolution, adaptive radiation). cuckoos lay eggs in the nests of other birds. the cuckoo lays eggs identical to the eggs of the host species, so the other bird takes care of it. this is an example of (mutualism, parasitism, adaptive radiation).

7 0
2 years ago
Homeostatic blood calcium levels should range from
victus00 [196]
Between 8.5 and 10.5 mg.

Hope this helped. Have a great day! :D
3 0
3 years ago
Which of the following are outputs for the process of photosynthesis?
Ulleksa [173]
I think the answer is A because the inputs for the process of photosynthesis is sun, carbon dioxide, and water and the outputs are heat and oxygen. 
3 0
2 years ago
Read 2 more answers
The glands that produce digestive fluids, the mucus-producing tissue lining the stomach, and muscle tissue helps make up what? A
ki77a [65]
C Organ. Since tissues and cells are checked off by atomic,cellular, tissues, organ, then organ system. 
8 0
2 years ago
Other questions:
  • Which organ system is responsible for transporting oxygen throughout the human body?
    14·2 answers
  • 30 points and brainliest. [ !!!!DO NOT!!!! ] copy from google
    7·1 answer
  • Granite is a metamorphic rock.<br><br> True<br> False
    9·1 answer
  • If something grows,exchanges has, and needs energy but isn’t made of cells and can’t reproduce A it’s dead B it’s living C it’s
    12·1 answer
  • Dark energy has been hypothesized to exist in order to explain:
    13·1 answer
  • 1.An attraction between molecules can be called a _______.
    14·1 answer
  • What is cancer? (please make sure to include mitosis and cell division)
    11·2 answers
  • Which fact supports the following conclusion?
    11·2 answers
  • WILL MARK BRAINLIEST in your own words tell me why do you think scientist developed the levels of classification
    13·1 answer
  • Until the middle of the 20th century, doctors sometimes suggested that
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!