BIOLOGY HIGH SCHOOL

How did Darwin interpret the fossil record?

Answers

Answer 1
Answer: He interpreted that some of them were related to modern animals but had went extinct in the distant past..

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Cells produced by the root and shoot tip meristems become the tissues of the plant body. primary
secondary

Answers

Cells produced by the root and shoot tip meristems become the primary tissues of the plant body. The correct option among the two options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your great help.

The answer is A. Primary

Four students are asked to list characteristics of RNA in a table as part of an assignment. Which student listed the characteristics correctly?

Answers

The answer is student 1.
Student 1 said that RNA is not deoxyribose but ribose. Student 1 also noted that RNA do not contain thymine but contains Uracil.. It is very obvious that student 1 correctly noted the characteristics of an RNA.

NOTE: In RNA, the pentose sugar is ribose and not deoxyribose. RNA contains uracil in place of thymine.

See attached file for the table.

The answer is; student 1

The reason RNA is a ribose sugar is because it’s pentose rings have an H, rather than an OH in DNA, in their 2’ carbon.  DNA has deoxyribose sugar in comparison. In addition, rather than having Thymine base (bases attach to the 1’ carbon in the rings), like in DNA, this base is replaced by Uracil (so Uracil binds complementarily to Adenine in RNA).

Plants exhibit phototropism because _____.long roots help plants absorb more water and nutrients
they need the Sun's energy in order to produce food
water is essential to a plant's growth
strong stems are more wind resistant

Answers

The answer is they need the Sun's energy in order to produce food

Phototropism is plant growth in a response to light. In order to survive, plants need Sun's energy. During photosynthesis, carbon dioxide and water are converted into glucose and oxygen using the energy of sunlight. To get more light, plants usually grow in the direction of light, so more light could be absorbed and used in photosynthesis. Phototropism enables plants to absorb more light and that way use Sun's energy to produce food.

16) __________ memory holds information for 15 to 25 seconds and stores it according to its meaning rather than as mere stimulation.a. Sensory
b. Processing
c. Short-term
d. Long-term

Answers

Short-term memory holds information for 15 to 25 seconds and stores it according to its meaning rather than just as mere stimulation. However, it is not really true that short-term memory can be retained only for this short amount of time. It has been shown in different studies that it can be held even longer. 

Plzzz hellllpppp!!!!

Answers

Answer: choice A

Explanation: hope this helps

SORRY IF IM WRONG
it’s c Bc i learned abt this 3 years ago

What needs to happen for dominant traits to be observed in an organism?

Answers

Answer:

The organism's parents have to either be heterogeneous dominant or homogeneous.

Explanation:

When the traits get passed down they either have to have 2 dominant traits or a mix.
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