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
MA_775_DIABLO [31]
3 years ago
7

When will natural selection occur? A. When there is no competition B. When a population reaches carrying capacity C. When there

are plenty of resources D. When there is no variation in a species​
Biology
1 answer:
lukranit [14]3 years ago
5 0

Answer:

B because when it hits its carry capacity its survival of the fittest to live

You might be interested in
The body system that stimulates eating or drinking is the ________ system. The body system that stimulates eating or drinking is
lisov135 [29]

Answer: Nervous system.

Explanation:

Nervous system is the system in the body that consists of nerves,cells that coordinates action and sensory information and transmit nerve impulses between the body and the brain. In the body, Ghrelin is an hormone or chemical produced in the stomach. This stimulate hunger by acting on neurons in the hypothalamus which make the nerve cells that cause hunger to increase in their activity and reduce hunger inhibiting cells. The hypothalamus produce two proteins that cause hunger: neuropeptide Y (NPY) and agouti-related peptide (AGRP. This create a signals and it is send to the brain. The brain interprete it as hunger and send the signal to the hypothalamus which then influence eating behavior.

4 0
3 years ago
What are some of the functions of vascular tissue in seedless plants? (Choose all that apply)
olga2289 [7]

Answer:

Explanation:

Xylem transports and stores water and water-soluble nutrients in vascular plants.

Phloem is responsible for transporting sugars, proteins, and other organic molecules in plants.

Vascular plants are able to grow higher than other plants due to the rigidity of xylem cells, which support the plant.

7 0
3 years ago
Help please, Please try to answer ASAP, Will give 10 points
lisabon 2012 [21]

Answer:

a

Explanation:

called Pangaea (meaning "all lands"), and over time they have drifted apart into their current distribution. He believed that Pangaea was intact until the late Carboniferous period, about 300 million years ago, when it began to break up and drift apart.

4 0
3 years ago
Help me out with this three please
Vesnalui [34]
1. I’m not really sure how to answer it, i think it’s parasitic
2. The tick is the parasite since the human is the host
3. It’s symbiosis bc it’s a long term biological interaction between two different biological organisms (the human and the tick) and in this case it’s parasitic bc one benefits off the host but it’s harmful towards the host so it doesn’t benefit each member.
Hope that helps :)
4 0
3 years ago
What was the actual proportion of the basis for equal amounts of DNA
Stells [14]

Answer:

Equal amounts of DNA contain equal proportions of nitrogenous bases.

Explanation:

According to Chargaff's rule, the nitrogenous base pairs (Purines and pyrimidines) have an equal ratio (1:1) in the DNA of all the organisms. More precisely, the amount of adenine is equal to thymine and the amount of guanine is equal to cytosine in the DNA of all the organism. A-T base pair has two H-bonds while G-C base pair has three H-bonds.

7 0
3 years ago
Other questions:
  • After going a long period of time without eating, the intestines release the hormone ghrelin into the bloodstream, which travels
    7·2 answers
  • Current research indicates that supplementation with what before pregnancy may reduce the risk of placental abruption?
    9·1 answer
  • What does the atomic number of an element represent?
    7·2 answers
  • Put the following stages in order
    11·1 answer
  • Prevention of withdrawal symptoms using medications would be considered part of the ________ process.
    12·1 answer
  • Which event occurs in the large intestine?
    6·1 answer
  • Michael decides to bake bread one morning. He measures ingredients, mixes them together to make dough, and cooks the dough in an
    15·1 answer
  • Mendel studied "factors" that allowed for physical characteristics, which can have alternate versions, to be passed onto offspri
    14·2 answers
  • 6.L.14.4 Which is true of only animal cells?
    15·2 answers
  • Fill out the science problem
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!