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
Natalka [10]
3 years ago
7

During which period did mammals first appear? A. Pleistocene B. Carboniferous C. Cretaceous D. Jurassic

Biology
2 answers:
Sloan [31]3 years ago
7 0
D JURASSIC PERIOD BECAUSE THEY CAME UP WHEN DINOSAURS CAME
kifflom [539]3 years ago
3 0
D.........The Jurassic Period.
You might be interested in
Traits of virus that classify
dlinn [17]

Answer :Four characteristics were to be used for the classification of all viruses:

Nature of the nucleic acid in the virion.

Symmetry of the protein shell.

 Presence or absence of a lipid membrane.

 Dimensions of the virion and capsid.

Explanation:

5 0
3 years ago
Please help me with this <br> Brainlist to who ever answers all and first
Romashka-Z-Leto [24]
Both dna and genes are inherited by your parents
6 0
3 years ago
Read 2 more answers
I just need help understanding the question a bit more
mash [69]

Answer:

D

Explanation:

So basically genes are made of DNA molecules. DNA molecules are the building blocks of genes.... if you think about legos for a second the building blocks of legos would be plastic right? because without plastic you don't have legos which is same here... genes are legos and DNA molecules are the plastic that make them (if you get my analogy).

So genes are the information carriers because they carry information on how to make a certain protein or express certain characteristics. Gene directs the cell to make certain proteins and proteins are the key players that are involved in many cellular process because they carry out major functions hence, the protein determine the function of cell because without protein the cell would have no function

8 0
3 years ago
Which statement is true about friction?
lianna [129]
I believe that it would be that mass and texture affect the amount of friction. Hope this helps!
6 0
3 years ago
Playing video games requires which of the following skills?
gavmur [86]
Problem solving I believe
6 0
3 years ago
Read 2 more answers
Other questions:
  • Fires in forests from lightning rid the forest of dead branches and leaves. if the trees survive and the soil remains intact, th
    14·1 answer
  • Which layer of Earth has partially melted material that moves the tectonic plates?
    15·2 answers
  • How do geologists determine the age of a fault line??
    8·1 answer
  • Some toxic compounds are ingested and retained in the tissues. these pollutants pose special risks to humans and other organisms
    5·1 answer
  • DNA replication is said to be semi-conservative. Explain why this process has been described this way. Hint: Describe the proces
    14·2 answers
  • A barrier that allows some substances in while keeping other
    9·1 answer
  • Polygenic Inheritance Please help!
    10·1 answer
  • 4.
    8·2 answers
  • How are symbiotic bacteria on the roots of some plants called legumes and the nitrogen cycle related?
    8·1 answer
  • Circle the class type of rock that most likely includes rock layers
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!