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erma4kov [3.2K]
3 years ago
10

1. Animals with nerve nets have____

Biology
1 answer:
padilas [110]3 years ago
7 0
They are the direct ancestors to birds today <span>They are the direct ancestors to birds today. </span>
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Prokaryotic cells found in extreme, harsh environments often belong to the domain:
Oksana_A [137]

Answer: Achaea.

Archaea are prokaryotic cells found in extreme, harsh environment.

Explanation:

Archaea are single celled prokaryotic microorganisms that lack cell nuclei.Archaea are extremophiles that live in extreme high and harsh environments like hot springs and salt lakes.They reproduce asexually by binary fission, fragmentation and budding. They are salt tolerant that use sunlight as energy.

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Mechanism of double fertilization
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One sperm fertilizes the egg cell forming a diploid zygote, the other sperm fuses with the two polar nuclei forming a triploid cell that develops into endosperm 

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Mr. Smith has found a lump under his arm. He goes to his doctor, and the doctor confirms that the lump is cancer. How are cancer
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3 years ago
Which statement correctly compares the roles of different types of organic molecules in the body?
kvasek [131]

Answer: Lipids provide long-term energy storage for the body, while carbohydrates provide quickly available energy.    

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3 0
3 years ago
Pretend you are a biologist analyzing mutations occurring in the dna of an endangered species. in three to five sentences, descr
Snowcat [4.5K]

An adaptive mutation is a beneficial mutation that may confer an adaptive advantage to the species.

<h3>What is a mutation?</h3>

A mutation is any modification in the genetic material (DNA sequence) or genome in the cells of an organism.

Mutations can be beneficial, detrimental or neutral according to their position in the genome and the environment in which the organism lives.

In conclusion, an adaptive mutation is a beneficial mutation that may confer an adaptive advantage to the species.

Learn more about mutations here:

brainly.com/question/17031191

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