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
Wewaii [24]
3 years ago
13

Why are trophic levels often displayed as a pyramid?

Biology
1 answer:
Lynna [10]3 years ago
6 0
"B" 

This is most definetly the more legitimate answer choice than the other two... clearly...
You might be interested in
How did adaptive radiation affect plants after they first moved to land
vagabundo [1.1K]

Explanation:

  • it gradually stops seed growth and sprouting depending on how much radiation is released.If there is too much evaporation due to intense radiation,the stomata closes to reserve water and if the stomata is unable to open for a long period of time the growth of the plant is stunted.
8 0
3 years ago
True of false proteins produced by a hormone-receptor binding will alter the cell's activity.
-Dominant- [34]
This statement is true.
When a hormone binds to a hormone receptor it activates cell enzymes that start a cell cascade. This means that this enzyme makes changes in the activity other proteins or alters the expression of specific genes that change the cells activity.

7 0
4 years ago
Solagans on the donation of kidney
Vladimir79 [104]
Here's a couple of slogans that I have found

7 0
4 years ago
Read 2 more answers
Animals with a special rod or notochord are called _____. vertebrates chordates invertebrates
irinina [24]
Chordates

Chordates have the 4 unique characteristics, postanal tail, notorchord, pharyngeal gill slits and dorsal-hollow nerve cord. Lancelets is the group of chordates that has a notochord and includes separate males and females.

Lancelet exhibits the four basic characteristics of phylum Chordata. It has a dorsal nerve, a notochord, a post annul tail, and pharyngiall gill slit.

Jawless fish, cartilaginous fish, and bony fish have notochord when they were still young but it was replaced by a vertebral column as they mature. 

<span>Lancelets are included in the subphylum cephalochordata. Cephalochordates are gonochoristics. It means that the sexes are separate. Both sperm and eggs cells are released in the water where fertilization occurs.</span>
6 0
3 years ago
Read 2 more answers
What is the role of natural selection in evolution?
Wittaler [7]

Answer:

The mechanism that Darwin proposed for evolution is natural selection. Because resources are limited in nature, organisms with heritable traits that favor survival and reproduction will tend to leave more offspring than their peers, causing the traits to increase in frequency over generations.

Explanation:

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations. ... Variation exists within all populations of organisms.

5 0
4 years ago
Other questions:
  • Which characteristic do euglenoids and algae share
    15·2 answers
  • Insertion of a narrow flexible tube, or catheter, through a blood vessel into the heart to withdraw blood samples, measure press
    7·1 answer
  • If plants need oxygen for cellular respiration, then why do plants release oxygen into the atmosphere? A. More oxygen is produce
    6·2 answers
  • Please help asap i did the renewable but im stuck on the non reable please help
    11·2 answers
  • The probability of a ___________ channel being open is controlled by the membrane potential.
    8·1 answer
  • Which of these polymers acts as an energy storage molecule? A. carbohydrate B. protein C. DNA
    9·1 answer
  • Which organ of the human body passes nutrients from food to the blood? A gall bladder B stomach C small intestine D kidney
    11·1 answer
  • Changes in the genetic code of a human can be transmitted to offsprings if they occur in what?
    9·1 answer
  • What are the 3 phases of the cardiac cycle of the heart
    6·1 answer
  • In the figure, which number represents dna synthesis?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!