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artcher [175]
2 years ago
9

QUESTION 39

Biology
1 answer:
Alex777 [14]2 years ago
4 0

Answer:

Cochlea is the right answer

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1. Why does the Elodea cell have chloroplasts but the onion cell does not, even though both are plant cells? Please answer quick
Oksanka [162]
Chloroplasts contain chlorophyll which is what makes plants green. Onions are not green because they do not contain chloroplasts. The reason they do not have chloroplasts is because in the chloroplast, photosynthesis takes place. A key player in the process of photosynthesis is the sun. The onion itself grows underground which means while they grow they do not come into contact with the sun so chloroplasts in an onion is pointless since they can’t undergo photosynthesis. Hope I helped!
7 0
3 years ago
the fertilization of ovules from plant Q by pollen from plant R results in the productions of seeds. What percent of the genes i
Helga [31]

Answer:

The correct answer is - zero or 0%.

Explanation:

The fertilization in flowering plants takes place by fusing the pollen of one plant or flower with the ovum of another plant or flower of the same species normally and form a zygote. The zygote gets an equal amount of genetic material from both parent plants by the process f exchange of the genetic material.

The ovum or the egg cell of the plant is considered as the mother and the mother is responsible for the chloroplast And mitochondria of the progeny so in this case, the ovum and egg cell comes from the only plant Q thus, the percentage of chloroplast genes provided via Plant R is 0%.

6 0
2 years ago
In your own words, explain natural selection and include an example
miskamm [114]
Okay, this has to be in your own words, but I will tell you this. Natural Selection is living organisms that have adapted to the environment which surrounds them leading the the producing of offspring. Example, bugs are eaten by frogs and frogs are eaten by snakes and snakes are eaten by birds.
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3 years ago
What is the typical source of well water?
vova2212 [387]

Answer:

an aquifer

Explanation:

3 0
3 years ago
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What happened to the perfume molecules when you opened the lid on the box
Svetllana [295]
They spread into the surrounding area
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