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kicyunya [14]
3 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]3 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.
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German scientist Alfred Wegener is best known for what hypothesis?
Jobisdone [24]
The theory of Continental Dift
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3 years ago
Plant viruses spread throughout the plant by way of __________. View Available Hint(s)for Part A chloroplasts plasmodesmata vert
KatRina [158]

Answer:

Plasmodesmata

Explanation:

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Hope this helped! :^)

7 0
3 years ago
Which process allows for the growth and development of a multicellular organism? A. mitosis B. meiosis C. digestion D. eliminati
OlgaM077 [116]

The process that allows for the growth and development of a multicellular organism is mitosis

So the answer is A. mitosis

8 0
3 years ago
Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. I
Wewaii [24]

Answer:

D) The lac operon will function normally.

Explanation:

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4 0
3 years ago
Osteoporosis is a disease that affects the bones and leads to an increase in bone fractures. Osteoporosis is most likely to be a
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<span>Osteoporosis is most likely to be affected by : Phosporus cycle.
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3 0
3 years ago
Read 2 more answers
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