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
liberstina [14]
3 years ago
12

Did modern blue whales develop flippers to replace the function of its ancestors' hindlimbs?

Biology
1 answer:
lions [1.4K]3 years ago
5 0
  • Ancient blue whales have hindlimbs
  • They uses them to walk or slide on ground.
  • As Blue whales were lived on ground.
  • Todays blue whales live in sea there fore they replaced them with flippers to swim
You might be interested in
Within a neuron, information typically flows in which directional order? science forum
arsen [322]
Neurons are cells of the nervous system that aid the flow of impulses or information to and from the CNS. The major neurons include the sensory neuron, motor neuron and the relay neurons. It comprises of various parts that aid its function of carrying information namely, axon, dendrites, cell body (soma), myelin sheath. Information is picked up from the dendrites and then transferred to the cell body through action potentials. Then from the cell body the information is taken to the axon which then goes to the pre-synaptic terminal that sends the information to the next neuron which will then repeat the same flow of information.
5 0
4 years ago
A fisherman collecting shellfish notices that many are very small and lack the thick hard shell he is accustomed to seeing in th
frez [133]

Ocean acidification causes a decrease in the pH concentration of the oceans, mostly arises as a result of the entry of carbon dioxide from the atmosphere.

A fisherman noticing a shellfish's shell being very small and lack the thick hard shell may be due to Ocean acidification (option A).

  • Ocean acidification is mainly caused by fossil fuels and leads to a decrease in the water's pH.
  • It also causes a reduction in the amount of carbonate, a building block of shells and skeletons in seawater.
  • This makes it very difficult for marine organisms, such as shell fish and corals, to form their shells and skeletons, and those with existing shells may begin to dissolve.

Learn more about ocean acidification: brainly.com/question/5426691

7 0
2 years ago
Read 2 more answers
Describe the helical and coiled-coil structures of either collagen or α-keratin. What type of covalent bond holds the coiled-co
iren2701 [21]

Answer:

Collagen is an extracellular matrix protein and one of the most abundant protein in the body. Its triple-helical structure is a result of the 3 coiled chains. Each chain mainly comprises of Glycine, Proline and Hydroxyproline. The Glycine hydrogen bonds with residues of the adjacent chain while the proline and hydroxyproline C-N bonds provide stability in the structure.

Explanation:

3 0
4 years ago
What statement is true
allsm [11]
1. Opinions can be scientifically tested
7 0
4 years ago
Psychology 101: Is it normal for school age people to have crushes on their teachers or professors?
nataly862011 [7]

Answer:

yes

Explanation:

he/she just you're crush nothing serious about that it's just infatuation that you feel about him or her

7 0
3 years ago
Other questions:
  • You weigh two different objects on the same scale in the same location on Earth. The weights are different. What must be differe
    12·2 answers
  • 1. Nitrogen from the atmosphere must be converted into what molecule? What organisms add this molecule to the soil? ​
    8·1 answer
  • The external sac of skin enclosing the testes is referred to as the _________.
    9·1 answer
  • Which step of the scientific method includes a prediction?
    15·2 answers
  • There are ____________ usually found in the genetic code. multiple choice 1 start codon and 3 stop codons 1 start codon and 1 st
    5·2 answers
  • What is an important safety consideration when hunting from a ground blind?
    8·2 answers
  • HELP ASAP! Please help me with these 5 questions, they'd mean a lot! Giving you all my points, please answer.
    15·1 answer
  • A person who is interested in finding a cure for diabetes, in which the pancreas does not produce insulin, might pursue a career
    15·2 answers
  • Please help I would really appreciate it
    7·1 answer
  • Answer is in the picture, 40 points.
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!