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Sveta_85 [38]
2 years ago
9

explain why the pollen grains and embryo sacs of flowers are considered the gametophyte generation in the alternation of generat

ions life cycle of angiosperms
Biology
1 answer:
podryga [215]2 years ago
3 0

Answer:

Both structures are multicellular, and they both reproduce using gametes.

Explanation:

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emmasim [6.3K]

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a

Explanation:

6 0
3 years ago
List four ways in which viruses can be similar or differ from each other.
Karolina [17]

Answer:

Are you talking about bacteria type viruses? because that's what I would assume.

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Well, all viruses have a core of genetic material like RNA or DNA.

Viruses can have different families, geonomic makeup, host range and transmission mechanism.

I hope this helped in a way.

4 0
3 years ago
The correct sequence of sound waves in the ear is ________.
ElenaW [278]

Answer:

d. malleus > incus > stapes > oval window

Explanation:

Sound waves enter external auditory canal which makes the eardrum to vibrate. Malleus is in contact with eardrum while stapes is in contact with the oval window. Movement of malleus makes the incus to move which in turn stimulates large movement in stapes.  

Since stapes is in contact with the oval window, the vibration from stapes passes to the oval window. Hence, among the given options, the correct order of movement of sound waves is "malleus > incus > stapes > oval window" .

8 0
3 years ago
In the US which is responsible for ensuring the safety of the country's drinking water
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Sediments with a large amount of sand are most likely at:
trapecia [35]
<span>braided river at C and delta at D</span>
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