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
Lerok [7]
3 years ago
15

Igneous rocks that contain many dark silicate minerals, and that also are rich in magnesium and iron, have a composition that is

_____.
Biology
1 answer:
Fiesta28 [93]3 years ago
8 0

Answer:

basaltic composition

Explanation:

You might be interested in
Cephalization, the clustering of neurons and interneurons in the anterior part of the animal, is apparent in I) mammals II) cnid
zzz [600]

Option (III) .Cephalization, the clustering of neurons and interneurons in the anterior part of the animal, is apparent in <u>Planaria.</u>

What is planaria?

  • Planaria is a genus of planarians in the family Planariidae.
  • When an individual is cut into pieces, each piece has the ability to regenerate into a fully formed individual.
  • Currently the genus Planaria is defined as freshwater triclads with oviducts that unite to form a common oviduct without embracing the bursa copulatrix and with an adenodactyl present in the male atrium.
  • The testes occur along the whole body.
  • Planaria originally have habitats in dark, murky water which results in such sensitivity .
  • They are also sensitive to other stimuli such as chemical gradients, vibration, magnetic and electric fields .
  • Their central nervous system includes the anterior (head, brain and eyes) and middle (abdominal trunk and pharynx).

To know more about planaria, refer:

brainly.com/question/1917416

#SPJ4

8 0
2 years ago
Austin builds three pinewood derby cars. Car A weighs 5 ounces, Car B weighs 6 ounce, and Car C weighs 7 ounces. He predicts tha
Margaret [11]
He could race multiple cars with different weight added on them and do multiple races (just to be sure) and see if his theory was correct, if not he should right down what he has learned from his experience! :D

-You'll never learn if u don't try ;)
8 0
3 years ago
What is required for natural selection to take place? (HINT: There are 3 requirements)​
kotykmax [81]

Answer:

Explanation:

Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.

ORR

Struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.

3 0
3 years ago
When molecules are very large or are being moved against their concentration gradient, energy is required to move molecules acro
kozerog [31]
Active transport. Which the molecules are transported by a protein called carrier protein with the help of ATP.
4 0
3 years ago
How many chromosomes are in each daughter cell after mitosis ?
DaniilM [7]
46 chromosomes, because they have the same amount of chromosomes as parent cells
5 0
3 years ago
Read 2 more answers
Other questions:
  • What prevents sperm cells from traveling the entire distance to the egg?
    11·1 answer
  • How does technology affect the advancment of science
    10·1 answer
  • What type of rock is formed due to the compacting and cementing of layers of debris? A.Erode rock B.Igneous rock C.Metamorphic r
    7·2 answers
  • Sea otters are important predators of sea urchins, an animal that eats giant brown kelp in continental shelf zones where they fo
    6·2 answers
  • The two homologs of a pair move toward opposite poles of a dividing cell during
    9·1 answer
  • What do you mean by vermicompost? ​
    6·1 answer
  • What kind of microscope has the greatest magnification?
    13·1 answer
  • Where would you find DNA in plant and animal cells?
    11·2 answers
  • the diagram below represents the time a cell spends in the two main phases of the cell cycle. in which phase does a cell spend m
    13·1 answer
  • Fats and oils are usually stored in a plant's <br>roots <br>stem <br>fruit <br>seeds​
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!