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
Finger [1]
3 years ago
8

Based on the timeline, about how many years ago could the oldest mammalian organism have lived?

Biology
2 answers:
diamong [38]3 years ago
8 0
200 millons years.
Hope this helps!
WINSTONCH [101]3 years ago
7 0

The correct answer is option B, 200 million years ago

The mammals first evolved some 200 million years ago as dinosaurs on the planet Earth. This can be estimated through radiometric dating. There was transition from reptiles to mammal which led to the emergence of mammal like reptiles known as stem mammal or proto mammals. The mammals have basically evolved from the group of reptiles knows as Synapsids

You might be interested in
How could you change your model to indicate a moon that is at apogee and perigee?
storchak [24]
Take picture of the moon and pic a new model
3 0
3 years ago
Why does the cell go through elaborate process to convert glucose into carbon dioxide and water?
Tems11 [23]
Cellular<span> Respiration. </span>Cellular<span> respiration is the </span>process<span> of oxidizing food molecules, like </span>glucose<span>, to </span>carbon dioxide and water<span>. The energy released is trapped in the form of ATP for use by all the energy-consuming activities of the </span>cell<span>.

</span>
4 0
3 years ago
¿Qué inferencias puedes sacar del párrafo 11 sobre cómo se siente
elixir [45]

Answer:

si

Explanation:

si

8 0
3 years ago
In the late 1960s, robert paine conducted landmark studies on diversity in the rocky intertidal zone comparing the species diver
ohaa [14]
<span>The absence of the predator in the experimental plots led to a rise in population of the two species hence suppressing the other species since they were the prey of the Sea stars. But when the sea stars were present, they maintained a balance in the species diversity by feeding on Mussel and Barnacle species.</span>
8 0
3 years ago
What is structure X?<br> A. Chromatin<br> B. chromosome<br> с. DNA<br> D. Chromatid
Anna35 [415]

Answer:

C

Explanation:

hffhbguhvcrzrx9txt8c9y

6 0
3 years ago
Other questions:
  • Which hormone suppresses the maturation of ovarian follicles into eggs, and thus is a reliable means of preventing pregnancy?
    12·1 answer
  • Describe the role of each 3 of RNA<br>​
    11·1 answer
  • What type of muscle tissue is on the chicken wing
    7·2 answers
  • Describe HOW fossils can provide evidence of how environmental conditions and life have changed during Earth's history.
    11·1 answer
  • Which of the following shows a correct base pairing in DNA?
    6·2 answers
  • How does the switch work?
    8·2 answers
  • What is meant by the term "UV"? In your answer, please explain how it
    5·1 answer
  • What are 3 differences between Mercury and<br> Mars?
    11·1 answer
  • 1. Warm Up: How do scientists estimate how old fossils are (and thus, estimate
    9·1 answer
  • ______ are geologic considerations when identifying physically safe places for human habitation.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!