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
kicyunya [14]
4 years ago
15

The earliest ancestors of about half of all extant animal phyla can be traced back to the _____ explosion. see concept 32.2 (pag

e 675)
Biology
1 answer:
Vesna [10]4 years ago
4 0
The answer is 'Cambrian' explosion. This took place approximately 541 million years ago. 'Explosion' refers to the evolution of a large range of new major animal phyla. Scientists know this by the large number of diverse fossils from this period. Prior to this period, organisms were single-celled, but over the Cambrian Explosion, lasting about 80 million years, life forms diversified rapidly to resemble the life forms existing today.
You might be interested in
The function of mitochondria and chloroplasts is related to energy in what way does Their function differ
weqwewe [10]

The function of mitochondria and chloroplasts is related to energy. In what way does their function differ? Mitochondria produce energy in prokaryotic cells, while chloroplasts produce energy in eukaryotic cells. ... While the chloroplast get there food from the suns energy through the process of photosynthesis.

3 0
4 years ago
Read 2 more answers
Can microplastics in seawater be broken down by plastic enzymes without heating
mel-nik [20]

Answer:

yes with sunlight (which is a heat source)

Explanation:

8 0
3 years ago
What happens to the amount of energy as it moves up through an energy pyramid?
MissTica

Answer: some energy is lost from the pyramid, energy is transferred from bottom (producers) to top, but in decreasing amounts.

Explanation: total energy is conserved, but not necessarily within the energy pyramid, which is an open system where energy is lost from the pyramid, mainly as heat but also as sound.

Energy is transferred up the pyramid but the amount transferred at each stage is less because of losses outside the pyramid.

6 0
3 years ago
How does CO2 enter the atmosphere
Licemer1 [7]
CO2 can enter through many ways such as 
1) Coal emissions from factories
2) The decomposition of living organisms
3) The breathing out of animals
4) Waste and animal waste
Hope this helps you

7 0
3 years ago
A mutation changes the DNA sequence AAGCCTGGCAAT to the new sequence AAGCCTGCGCAAT. What kind of mutation has occurred? A. delet
dmitriy555 [2]
The difference between the two DNA sequences, is that there was a C added to the new sequence. This mutation is called insertion
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which phrase best defines erosion? A. layering bits of rocks and soil B. cementing layers of rock together to form stone C. brea
    7·2 answers
  • What do echinoderms have instead of brains?
    9·1 answer
  • Which is NOT a key abiotic factor in marine ecosystems?
    5·2 answers
  • Which of the following accurately compares the stolon and mycelium in fungi? (2 points) The stolon transports water and nutrient
    5·2 answers
  • Plz answer will give brainliest, no scammers plz
    12·2 answers
  • Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. This damag
    14·1 answer
  • We have been able to estimate the age of Earth based on radiometric dating of meteorite materials. True or False
    8·1 answer
  • What does a karyotype show?
    7·2 answers
  • Please help. thank you.
    6·1 answer
  • What happens during glycolysis(keep answer as short as possible)
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!