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
Lapatulllka [165]
3 years ago
10

A population of short-finned fish and a population of long-finned fish live in a lake. Fish with long fins swim faster than fish

with short fins, which means they escape predators more often. According to natural selection, which of the following will happen over time?
a. The number of long-finned fish will increase.
b. The number of long-finned fish will decrease.
c. The number of short-finned fish will increase.
d. The number of short-finned fish will not change.
Biology
2 answers:
katrin2010 [14]3 years ago
8 0

Answer:

A

Explanation:

lesya692 [45]3 years ago
3 0
The correct answer is letter A.

The number of long-finned fish will increase overtime. This is because they have the adaptive behavior to escape from their predators. As a result, they will be able to reproduce more and produce offsprings in great numbers therefore increasing their population through time.
You might be interested in
Critics of sustainable agriculture claim that its farming methods will result in _________________. A) water pollution B) lower
Vinil7 [7]

Critics of sustainable agricilture claim that its farming methods will result in <u>lower crop yields</u>.

B) lower crop yields is your answer

I hope this helps you!!!!

4 0
3 years ago
Which level of organization includes all the other levels of organization?
Dmitry [639]

Answer:

Organism.

Explanation:

The cell is the smallest form of life. Cells work together to form tissues, tissues work together to form organs, and organs work together to create an organ system, and organ systems work together to create organisms. I believe "organism" includes all of these other levels.

5 0
3 years ago
Read 2 more answers
Which of the following describes the embryonic period? the period during which the zygote moves down to the uterus and begins to
muminat

Answer:

Option (2).

Explanation:

Zygote is formed by the fusion of the male and female gamete during the process of sexual reproduction. The zygote undergoes further development inside the female womb.

The embryonic period starts from the third week after the conception. The important organs and structure development occur during the embryonic period. The formation of three germ layers occur in this period.

Thus, the correct answer is option (2)

6 0
3 years ago
Compare the shapes of the organisms that have cell walls with those that do not have cell walls.
inna [77]
The best answer is A. The purpose of the cell wall is to hold the cell in a specific shape, usually rectangular or square. For example, a plant cell's wall keeps it rigid so that the plant can stand up. 

If the cell does not have a wall, it can easily change shape to accommodate for things coming in and out of the cell. 

Hope this helps!
5 0
3 years ago
The researchers introduced a small RNA complementary to a portion of the mRNA encoding protein A into the Brec-MUT cells growing
Sonbull [250]

Answer:

Delivered small RNAs can inhibit protein A production through the RNA interference (RNAi) mechanism, and thus impairs angiogenesis  

Explanation:

The pregnancy-associated plasma protein-A is a protease enzyme involved in the formation of new blood vessels by increasing insulin-like growth factor I (IGF-I) bioavailability. Moreover, small RNAs (<200 nucleotides in length, generally 18 to 30 nucleotides) are non-coding RNA molecules that function in RNA silencing through the RNA interference (RNAi) pathway. Small RNAs are widely used in molecular biology laboratories because they can be delivered into specific cells in order to silence target mRNAs such as, in this case, the mRNA encoding protein A, by complementary base pairing and thereby inducing translational repression. In consequence, mRNAs complementary to delivered small RNAs are silenced through RNAi pathways, i.e., by cleavage of the target mRNA and/or mRNA destabilization.

3 0
2 years ago
Other questions:
  • Choose the correct answers from the drop-down menus.
    9·2 answers
  • Match the nutrient molecules with there breakdown products
    10·2 answers
  • The assisted transport of a molecule across the cell membrane without an expenditure of energy is known as what?a. Diffusion b.
    8·1 answer
  • Which of the following describes how polluted water sources would most likely affect one’s personal health?
    5·2 answers
  • The tertiary structure of a polypeptide is the Select one:_________
    7·1 answer
  • 14 POINTS PLEASE HELP WITH SCIENCE QUESTION
    11·2 answers
  • When a mother bear nurses a cub, she gives the cub what it needs for growth and development in the form of milk or food, which i
    13·1 answer
  • Which statements explain what will happen during the Asteroid Redirect Mission? Check all that apply.
    15·2 answers
  • What are possible causes of cystic fibrosis?
    9·1 answer
  • 21) please fill in the blanks with the following options:
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!