13. Which of the following does not accurately describe fruits? A. Fruits attract animals, which helps disperse seeds. B. Fruits develop from ovary walls. C. Fruits are rich in sugars. D. Fruits provide nourishment for seedlings.

Answers

Answer 1
Answer: I think B. Fruits develop from ovary walls... I think this because it does not accurately describe fruits.
Hope this helps!
Answer 2
Answer: Fruits develop from ovary walls does not accurately describe fruits.

So, (B. Fruits develop from ovary walls will be your answer.)

Have a Brainly Day!

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Describe two different sources of water pollution

Answers

Oil Spillage,The oil can cause the fish to die and it can also cause birds to lose their ability to fly. Due to the oils getting in there feathers. Then there is Microbiological which is when people drink untreated water such as lakes or ponds, this could be  viruses, bacteria, and protozoa. This can cause once again death to fish and can cause death or sickness to humans. I hoped this helped =)

Explain how a plant gets and uses
energy

Answers

Answer:

it gets useful energy by the creation of sugar molecules through the process of Photosynthesis.

Explanation:

Sun water n soils in the groundnsjsksmsmskks

If a carbon atom is bonded to two hydrogen atoms and two carbon atoms, what type of bond must exist between the carbon atoms?

Answers

Answer: A single covalent bond is present between the carbon atoms.

Explanation:

Carbon is the 6th element of the periodic table. The electronic configuration of this element is: 1s^22s^22p^2

This element has 4 valence electrons and to attain stability, it cannot gain 4 electrons nor it can loose 4 electrons. Thus, it has to share 4 electrons in order to attain stability. Thus, this element forms covalent bond.

A covalent bond is formed by the sharing of electrons between two atoms.

In the question, it is given that carbon is bonded to 2 hydrogen atoms and two carbon atoms. Thus, the bond between the carbon atoms will be a single covalent bond.

A double bond must exist between two carbon atoms if bonded to two hydrogen atoms. This is because the two carbon atoms share electrons and are in itself a covalent bond. Because they are bonding to the hydrogen atoms it is a double bond.I hope that my answer is helpful! Let me know if you need something more :)

What reproductive benefits do angiosperms have over mosses? This is for my biology course. It was a question on one of my assessments and I got it completely wrong. Can someone explain it to me so I can at least try to understand it?

Answers

Angiosperms are plants that flowers. In angiosperms, pollen allows sperm to be transported without the aid of water. On the other hand, mosses needs water so their sperm can swim and survive. Angiosperms are more capable of reproducing because the transport is much easier as compared to mosses.
Angiosperms are flowering plants. To start with, pollen allows the sperm to be transported without water. Mosses need water so their sperm can swim (moss sperm is flagellated), and the sperm can't survive being dried out. In angiosperms, the sperm cells are kept safe inside a pollen grain, and the pollen grain itself can be transported in a variety of different ways (e.g. wind, bees, birds, bats, etc.) The flower itself plays a role here, because it can attract pollinators. After fertilisation, the seed shells protect the embryos (seeds contain baby plants in a kind of dormant state), a secondary endosperm provides the embryo with food, and outside the seeds, you're going to have some kind of fruit. Fruits play an important role because they aid in the distribution of seeds. If a bird eats a berry, for example, there's a good chance that the seed will pass out the other end of the bird somewhere else and sprout into a new plant, or the bird might pick up some berries and drop them or even hide and forget them. Mosses don't have this option.

________ is the biogeochemical cycle in which carbon cycles through earth's ecosystems.A. Oxygen Cycle
B. Water cycle
C. Carbon Cycle
D. Nitrogen Cycle

Answers

Answer:

The answer is C) Carbon Cycle

Explanation:

I took the test and it was right

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A plant can produce either purple flowers or white flowers. What is the probability of purple-flowered offspring if two plants that are heterozygous for purple flowers are crossed?

Answers

Answer:

A heterozygous trait contains two different allelic forms of a gene in which one is a dominant allele and one is recessive allele. If there is a crossing between two plants that are heterozygous for their trait then the probability of expression of the dominant allele is 3/4.

So according to this question plants are heterozygous that means the genes would be like Pp and Pp. Here P indicates the purple color allele which is dominant and p indicates recessive white color allele.

Therefore cross between these two will give genotypes PP, Pp Pp, and pp. So according to the law of dominance that says dominant allele will express itself, therefore, probability of purple-flowered offspring is 3/4 because 3 out of four genotypes have the dominant allele.

You would have a 3 out of 4 chance of getting a purple flower if purple is the dominant trait.  

~I love biology!!