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
Alisiya [41]
3 years ago
7

Some blind cave salamander have eye how might this be evidence that cave salamander evolved from sighted ancestors

Biology
2 answers:
Kaylis [27]3 years ago
8 0

If cave salamander didn’t evolve from sighted ancestors, it eyes would be a vestigial structure.

Cave salamanders live in the zone, with complete lack of light (dark zone), so this organisms adapted to that environment with blindness. It is believed that cave salamanders evolved from the ones that could see. The explanation of why they lost their sight is that they conserved energy needed to maintain sight to be more successful in reproduction.

artcher [175]3 years ago
3 0

Answer:

Eyes would be a vestigial structure.

Explanation:

A vestigial structure as a stunted organ that has little or no function in a particular organism. An example of this can be seen in the question above which states that some blind salamdras have eyes. These eyes have no use for these salamanders, so we can say that the eyes of the salamander is a vestigial structure.

According to the theory of evolution, organisms have undergone and undergo changes over time, with new species emerging from some common ancestor. Studying different groups of organisms, we realize several characteristics that serve as evidence for this theory. The presence of trace structures is one such evidence.

You might be interested in
Albert, a student researcher, varies the amount of food given to rats in an experiment to measure the effect on their learning b
Fynjy0 [20]

Albert, a student researcher, varies the amount of food given to rats in an experiment to measure the effect on their learning behavior. In albert's study, the amount of food given is the independent variable.

An independent variable is under the control of the experimenter. Independent variable does not depend on the other variables involved in the experiment. Since the amount of food is varied, it is not depending on other variables like size of mice, weight, etc.

6 0
3 years ago
If it were not for the __________, osteocytes in the outer lamellae of an osteon would not be able to transport their wastes to
lora16 [44]

Answer:

canaliculi

Explanation:

According to my research on studies by various medical professionals, I can say that based on the information provided within the question the term being mentioned is called the canaliculi. This is a small channel that link together the lacunae and whose main function is routing nutrients to osteocytes and expelling waste products.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

6 0
2 years ago
What property of water allows it to move up through a plant?
kupik [55]
That property is called h<span>ydrogen bonding. </span>
7 0
3 years ago
Read 2 more answers
A 3-year-old on the pediatric floor of shadow general hospital is diagnosed with a confirmed leg fracture. from which source wou
Sloan [31]
Fractures are common injury during childhood with 8 to 12 percent. For toddlers like of a 3 years old femur fractures usually comes from a low energy fall. The doctor after an x-ray puts the affected leg in a Spica cast. In order to obtain history of what happened prior and during the injury, it would be better to ask the parents first especially if they are present during the incident. Afterwards, if they are not present those who witnessed the incident can be asked like if a teacher was present she can attest to what really happened.
4 0
3 years ago
Which part of sun light makes up the visable spectrum select three options
mr_godi [17]

Answer:

Blue , Green and Indigo makes up the visible  spectrum.

Explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • What is lower limit for the mass of a black hole?
    8·1 answer
  • What event must occur if a nucleus containing this molecule is to undergo mitotic cell division
    7·1 answer
  • Is the active site located on the enzymes or the substrate?
    13·1 answer
  • What is the spinal cord made up of?
    7·2 answers
  • _____ assumes that intellectual disability is a consequence of a disease process or biological defect.
    11·1 answer
  • At what angle is Earth.s axis tilted in to the sun?
    11·1 answer
  • All of the following, except a _ might be studied by a microbiologist
    11·1 answer
  • Two substances, both solids, start at the same temperature. You transfer the same amount of energy
    15·1 answer
  • Why why why why whywhy
    7·2 answers
  • A blend of 10 potent functional mushroom extracts made to consume every day, like a multi-vitamin. Science backed ingredients th
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!