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
Klio2033 [76]
3 years ago
9

The model stating that organic molecules present in ancient seas lead to the formation of life’s building blocks was the.... 1.b

ubble model. 2.primordial soup model. 3.spontaneous origin model. 4.none of the above
Biology
1 answer:
pychu [463]3 years ago
8 0
The answer is (2.) primordial soup model.
You might be interested in
Give a reasonable explanation as to why the energy is represented by a pyramid shape
Kisachek [45]

Answer:

Describe why the pyramid shape is used to represent energy, biomass, and numbers pyramids. The pyramid is used because it can represent energy available at every trophic level, and at each level everything gets smaller as you go up the pyramid. ... Autotrophs obtain energy from nonliving sources and are producers.

Explanation:

8 0
2 years ago
Which of the following organisms are able to take energy from the sun and make it usable for living things?
valentinak56 [21]

Answer:

Producers

Explanation:

Producers are things like plants and bacteria that use energy from the sun through photosynthesis to get energy

3 0
3 years ago
Which B.F. Skinner invention allowed him to train subjects through operant conditioning?
Bezzdna [24]

Answer:

A: Cumulative recorder

Explanation:

B. F. Skinner was a psychologist, author, behaviorist and inventor of Operant conditioning chamber and Cumulative recorder.  The purpose of cumulative recorder was to study the rate of operant conditioning. It is a process in which behavior of an organism is modified or an organism is conditioned to perform a specific behavior through giving punishment or reward.

For example: We teach a kid that he should not touch a hot stove because it will burn his hands, or we give him a box of candies to perform a specific task or behave in a certain way. Skinner used Cumulative recorder to find the effect of certain factors on behavior or response of an organism For example: the rate at which lever was pressed by a monkey to get bananas etc.

Hope it helps!

6 0
3 years ago
Read 2 more answers
Which feature is found most often in prokaryotic cells?
erastovalidia [21]
The prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called a nucleoid
6 0
3 years ago
Read 2 more answers
PLEASE HELP I NEED THIS TO PASS
Maurinko [17]

Answer:

scientist can learn how the rat has evolved based on where they live. it also helps find what the common ancestor was and all the common traits they have, for example rats in Norway may be used to the cold. and the rats in africa need to adapt to the heat and the constant threat of them being eaten.

7 0
3 years ago
Read 2 more answers
Other questions:
  • What type of carbohydrates can move<br> through your blood?
    14·2 answers
  • Which of the following polymers functions as insulation to help animals conserve heat
    15·2 answers
  • Which two planets have 53 moons? 1)Earth and Mercury 2)Jupiter and Saturn 3)Mercury and Mars 4) Neptune and Jupiter
    13·2 answers
  • What domain is kingdom protists in
    7·1 answer
  • Which is a component of cell theory?
    11·2 answers
  • What process moves the water from the roots to the leaves
    9·1 answer
  • Can any earth life thrive in open outer space?
    8·1 answer
  • A mutation in the code for a trait may not always change the expression of that trait. What advantage does this provide cells?
    10·2 answers
  • The electric field is vibrating up and down in the y direction. The magnetic field is vibrating left and right in the z directio
    15·2 answers
  • Mushroom and yeast are called saprophytes​
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!