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
MrRa [10]
3 years ago
9

During which era in earth's history were the first insects?

Geography
1 answer:
Pavel [41]3 years ago
6 0

Answer:

Paleozoic

Explanation:

The first insect fossils are dated to the Devonian, but because of the development of the genetics, the scientists have been able to trace the appearance of the first insects in the Ordovician. The insects originated from the crustaceans. Initially they were walking on land, but they hadn't developed wings. The wings came to develop in some insects in the Devonian, and since than it has gradually became one of their trademark features. It is interesting that the first insects actually appeared at the same time with the first terrestrial plants, and also that they are the first organisms to develop wings and be able to fly.

You might be interested in
How can i learn english grammar easily.?
Roman55 [17]
Study abroad, mix tapes, watch American movies
6 0
3 years ago
The most common economic system in the world is a
Zina [86]

Answer:

economy

Explanation:

The most common economic system in the world is a economy, because the features of this market structure which includes the feature of both capitalism and socialism.

My site is : oneclass.com

hope this helps, please mark brainliest if so! :)

7 0
3 years ago
Read 2 more answers
How are ocean ridges and trenches related?
suter [353]

Answer:

Mid ocean ridge are where new crustal material is forced to the surface. The new crustal material is pushed apart forming two different plates moving in two different directions. An ocean trench is where old crustal material is pushed under another plate where it is melted and turned into magma.

7 0
2 years ago
What would be the BEST title for this list?
babymother [125]
The answer would be b) push factors
6 0
3 years ago
Read 2 more answers
What is Relative Dating?
NeX [460]

Answer:

B. The science of determining the order of events in relation to each other, without a specific date.

Explanation:

you can look it up on the Wikipedia and you see something similar to B.

3 0
2 years ago
Other questions:
  • All except which of the following are possible results of increasing global temperatures
    6·2 answers
  • Manga causes powerful and explosive volcanic eruptions is
    14·1 answer
  • What is involved in the study of geography?
    15·2 answers
  • Which historical figure led numerous revolts throughout South America, and
    7·1 answer
  • A(n) ________ flood is most often associated with northward-flowing rivers in the Northern Hemisphere because the upstream stret
    5·1 answer
  • How did physical geography impact the Arctic Inuit?​
    7·1 answer
  • What tool is used for holding 100mL of water
    5·2 answers
  • Which regions on Earth experience the greatest temperature change (and all the seasons)?
    8·1 answer
  • How old would the<br> fossil clam be the shale layer
    14·1 answer
  • Which environmental change is considered short term?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!