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
torisob [31]
3 years ago
13

Which of the following did not happen in the devonian period

Biology
2 answers:
Elanso [62]3 years ago
8 0

Answer:

The correct answer is none of the above.

Explanation:

Devonian is a geological time period, spanning 6. billion years from the end of the Silurian, 41.92 million years ago. The first known forests on Earth, rise in the Late Devonian, initiate with the evolution of Archaeopteris.

The first main amphibians evolved in the Devonian period, around 37. billion years ago, from lungfish like fish known as lob-finned fish.

The late Devonian also is known for the first four-leg vertebrates with true pods that could able to walk on land.

Thus, the correct answer is none of the above.

andreyandreev [35.5K]3 years ago
3 0

The answer is actually none of the above. The Devonian Period allowed for amphibians to evolve, as well as terrestrial vertebrate. Forests grew to cover most of the continent. All of these events happened in the Devonian Period.

You might be interested in
Sasha uses a basketball and a tennis ball to represent two astronomical bodies based on their sizes.
sergeinik [125]

Answer:

I believe the answer is C.  

Explanation:

This is because the basketball is the bigger object here so that should represent something bigger like the solar system.  Then the tennis ball would represent earth because it is the smaller object here.

4 0
3 years ago
a grown tiger began his life as a fertilized egg explain why a tiger looks so much different as an adult than it did as a single
JulsSmile [24]

Because it grew so it changed over time.

3 0
3 years ago
.True or False: Clear-cutting results in mostly even-aged stands of trees
seropon [69]

Answer:

my guess is

Explanation:

true

true

true

4 0
3 years ago
Help me with this _XX
expeople1 [14]

Answer:

B. Hardness

Explanation:

Physical properties of a substance is defined as the properties which can be observed or measured without changing the composition of matter.

Physical properties include odor, appearance, color, texture, boiling point, melting point and many others.

Hardness is a physical property of a substance as it describes the  resistance of substance to deformation and can be observed by simple touch or without changing the composition of matter.

While reactivity, toxicity and flammability are chemical properties of substances that change one type of matter into another type.

Hence, the correct option is B.

5 0
3 years ago
Which gas is cycled into the atmosphere at the arrow?
zavuch27 [327]

Answer: oxygen

Explanation: bc I got this right on my last year bio quiz

If u get it wrong oof

I’m sure of my answer

Maybe it’s

Carbon if u get it wrong but I’m sure it’s oxygen :)

6 0
2 years ago
Read 2 more answers
Other questions:
  • It is likely that Earth could lose half of its species in the next ____________ years.
    7·2 answers
  • Put the following organisms in an aquatic food chain in the order in which energy flows through them, explaining the reason for
    11·1 answer
  • How does size affect whether something is living?
    7·1 answer
  • What kinds of substances cause the destruction of ozone?
    14·2 answers
  • Does anybody know the answers to these 2?
    12·1 answer
  • Give two examples of polygenetic traits​
    15·1 answer
  • What would happen if the fatty acids in cell membrane were polar molecules
    11·2 answers
  • What all the answer to this image
    5·1 answer
  • As DNA replication begins the DNA molecule is broken apart into two ________ strands.
    10·1 answer
  • Would you revise this food web to make it more accurate is yes explain how
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!