2 years ago

The only structures that allow gas diffusion across them are the _____.

Biology

1 answer:

Fed [463]2 years ago

8 0

The answer is alveoli, there the only structures.

Hope this helps! Have a BLESSED day! :-)

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2 years ago

To be considered a living thing, it must have...

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2 years ago

What grows in a fertilized cone?

madreJ [45]

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Fertilization Follows. During the spring of the female cone's second year, the male and female gametes are ready. The pollen grows a pollen tube, which enters a little hole in the ovule's skin near its basal end, called the micropyle. The tube enters the ovule, and the sperm goes down the tube and into the ovule.

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Sunflowers belong to which of the following kingdoms?

Tresset [83]

The answer is A. Plantae

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3 years ago

In pea plants purple flowers are dominant to white flowers.

algol13

Answer:

100%

Explanation:

This question involves a single gene coding for flower color in pea plants. The allele for purple flowers (P) are dominant to white flowers (p). This means that purple color will be expressed in a heterozygous state.

According to this question, If two white flowered plants are cross i.e. pp × pp, the following gametes will be produced by each of the parent: p and p. Using these gametes in a punnet square (see attached image), ALL (100%) of the offsprings will be white colored (pp).

Therefore, 100% of the offsprings will be white flowered.

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2 years ago