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
hichkok12 [17]
3 years ago
10

What is speciation?

Biology
1 answer:
Damm [24]3 years ago
8 0
Speciation is b. the process by which new species are formed. They are often caused by the isolation of certain organisms in terms of environment or geographical area. This is part of the evolutionary changes that various species undergo to brought about by natural selection.
You might be interested in
The zone of the ocean where no light can penetrate is known as the
labwork [276]

Answer:

The answer is, D. Aphotic.

7 0
3 years ago
Read 2 more answers
A mutation that can be inherited by offspring would result from random breakage of chromosomes in the nucleus of liver cells a b
Shkiper50 [21]
What’s the question??
4 0
3 years ago
Blanced diet must contain enough energy to meet the body's needs what else must it contain​
Aleksandr-060686 [28]

Answer:

Water

Explanation:

5 0
2 years ago
Read 2 more answers
Which weathering process involves physical forces but not chemical
erica [24]

Answer:

<h3>Mechanical weathering, also called physical weathering, breaks rock into smaller pieces. These smaller pieces are just like the bigger rock, just smaller. That means the rock has changed physically without changing its composition.</h3>

Explanation:

<h2>GIVE BRAINLIST </h2>
7 0
2 years ago
Shell-builders use calcium carbonate molecules (CaCO3) to build their shells. Which of the choices above could be a source for t
Fudgin [204]

Answer:

The question is incomplete, the correct question is;

Shell-builders use calcium carbonate molecules (CaCO3) to build their shells. Which of the following choices could be a source for the carbon atoms in the calcium carbonate (CaCO3) molecules?

respiration by organisms such as plants, animals and microbes

burning coal

calcium ions

car exhaust

wildfires

Answer is all of the above options except calcium ions.

The source for the carbon atoms in the calcium carbonate (CaCO3) molecules include respiration by organisms such as plants, animals and microbes , burning coal , car exhaust  and wildfires.

Explanation:

Shell-builders (coral, oysters, lobsters, sea urchins, phytoplankton) utilize calcium carbonate molecules (CaCO3) to build their shells. The respiration process by organisms such as plants, animals and microbes, burning of fossil fuels, vehicle exhaust, wild fire etc produces carbon dioxide (CO2) and release it into the atmosphere. Oceans absorb carbon dioxide in the air by diffusing and dissolving it into the surface water. The amount of CO2 that dissolved in the water depends on concentrations of CO2, temperature of the water, wind, etc.

Phytoplanktons (microscopic, one-celled organisms) also bring carbon into the ocean from the air through photosynthesis, where they convert the carbon dioxide and water into glucose and other carbon compounds. These carbon compounds are consumed by the marine organisms and some carbon eventually ends up in deep seafloor sediments. The other processes which involved in the transfer of carbon from the air into deep seafloor sediments include photosynthesis , decomposition , waste products, etc.

The CO2 dissolved in the ocean combines with water molecules to produce carbonate (CO3-) ions, which then combine with calcium ions in the seawater to form calcium carbonate (CaCO3). This calcium carbonate is used by shell building organisms to build their shells, plates, inner skeletons etc.

8 0
3 years ago
Other questions:
  • Which of the following is true of DNA?
    6·1 answer
  • Construct incomplete dominance vs codominance
    9·1 answer
  • Wich cellular process takes place in the ribosomes that are bound to the endoplasmic reticulum? a.- the breakdown of waster mate
    8·2 answers
  • What is does H2o stand for​
    11·1 answer
  • What is active transport?
    8·1 answer
  • What types of organisms reproduce by binary fission?
    13·1 answer
  • I need help with this problem​
    10·1 answer
  • Which process moves water molecules across the membrane of a cell?
    7·2 answers
  • Planets take in _ and release oxygen gas
    6·1 answer
  • A piece of DNA with instructions for one trait..?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!