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Andreyy89
3 years ago
6

Please help! 25 points:)

Biology
1 answer:
ladessa [460]3 years ago
6 0

Answer:

D. IV -> III -> II -> I

Explanation:

Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.

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. Which summarizes the genetic research completed by the Austrian monk Gregor Mendel?
Bond [772]

Answer:

C. Mendel hypothesized that the traits of pea plant offspring are inherited.

Explanation:

A. After years of research, Mendel identified the genes for flower colors.  False. During Mendel's research, genes were not yet discovered.

B. Mendel bred various dog breeds to discover the science of genetics.  False. Mendel worked with pea plants, not dogs.

C. Mendel hypothesized that the traits of pea plant offspring are inherited.  True. Mendel uncovered the main principles of the inheritance of simple traits.

D. Using Punnett squares, Mendel developed the principles of genetics. False. The Punnett square was invented by Reginald C. Punnett,

6 0
3 years ago
While collecting specimens, a marine biologist finds a sessile Cnidarian. The medusas that bud from it swim by contracting a rin
Anit [1.1K]

Answer:

Class Scyphozoa

Explanation:

In the Scyphozoa class, the predominant and sexual forms are beautiful medusas of varying colors, the true "medusas" often seen on our shores. The polyps are small and correspond to the asexual, short lasting phase. Since this class has the predominant species, the jellyfish, we can conclude that the class that the question is referring to is Scyphozoa.

The medusas are shaped like an umbrella and are different from the group of hydrozoans. They can reach from 2 to 40 cm in diameter. The giant of the group is a North Atlantic jellyfish that reaches 2 meters in diameter.

8 0
4 years ago
Describe how mendel showed that the green-seed trait did not disappear but was only masked. Please help me :)
guajiro [1.7K]
When Mendel conducted his experiments he did not just look at the first generation he also looked at the second generation. When he did look at the second generation he saw that the trait would appear.
6 0
3 years ago
During which process do water molecules bond with elements in the minerals that make up rock to form new substances or solutions
Mice21 [21]

Answer:

A.) Hydration

Explanation:

hydrolysis is when you pass a current through water and break the molecules apart, abrasion is using an abrasive to cut material off, and deflation is taking a gas out of something. also if you think about how they word it, the waters kinda dissolving the rocks, what's another way to describe something dissolving in water, or soaking it all up...hydration

4 0
4 years ago
Which of the following characteristics would NOT increase or decrease the fitness of the organisms that possess it? a. Certain m
elena-14-01-66 [18.8K]

Answer:

maybe for me is answer is c

6 0
3 years ago
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