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
NemiM [27]
3 years ago
14

Models need to be changed when _______. a. they are based on experimental data b. scientific understanding changes c. they repre

sent a phenomenon d. they are designed to answer a question Please select the best answer from the choices provided A B C D
Biology
1 answer:
Andre45 [30]3 years ago
8 0

the answer is a because if the model is based on experimental data it wont be good unless it has been tested.


You might be interested in
Which of the following explains why plant cells must also perform cellular respiration?
kobusy [5.1K]

Answer:

b

Explanation:

7 0
3 years ago
Meiosis differs from mitosis in the __________.
Lesechka [4]
Meiosis produces haploid gametes, where as mitosis produces somatic cells. meiosis involves two divisions, mitosis involves only one division. mitosis produces genetically identical daughter cells, meiosis produces genetically unique daughter cells.

hope this helped, God bless!<span />
7 0
3 years ago
2) Which of the quadriceps crosses two joints? What are it’s actions?
Tanya [424]

Answer:

Rectus Femoris

Explanation:

It has an action of extending the knee from a seated position.

I hope this helps, and as always, I am joyous to assist anyone at any time.

6 0
3 years ago
2) Which item listed is not needed by living organisms?
LiRa [457]

Answer:

Sand

Explanation:

Space, water, energy, and air are all needed for an organism to survive. Sand is just somewhere an organism could accustom to live in that environment.

8 0
3 years ago
Read 2 more answers
When are the chromosomes of a cell duplicated?
Sonbull [250]
Its b during how ever you say that word if not that then c not all the way sure tho
6 0
3 years ago
Other questions:
  • These help us decide whether something is living or non-living. It is made of one or more cells. It responds to the
    8·1 answer
  • Which sentence best describes a cell that is isotonic for a substance?
    12·2 answers
  • Ketones are products of fat metabolism. usually they are not present in urine. however, they may appear in the urine if the diet
    13·1 answer
  • Item that melts using only warm water?
    9·2 answers
  • In animal cells, what are the holes between directly connected cells used for intercellular communication called? receptor chemi
    11·2 answers
  • In Linnaeus's time, all living things were grouped into two kingdoms. Later, there were five kingdoms, and know we have six king
    5·2 answers
  • Compare and contrast the processes and products of mitosis and meiosis
    8·1 answer
  • What part of the body does cancer generally affect?
    13·2 answers
  • True or False: Osteoporosis only occurs in women.
    14·1 answer
  • 2. A car salesperson claims that a 300-hp engine is a necessary option in a compact car, in place of the conventioNl 130-hp engi
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!