BIOLOGY MIDDLE SCHOOL

How do the nitrogen bases in the DNA model pair?

Answers

Answer 1
Answer:

Answer:

The nitrogenous based in DNA are as follows; Adenine (A), Guanine (G), Cytosine (C) and Thymine (T).

Adenine pairs with Thymine (AT) and Cytosine pairs with Guanine (CG):

Here is my doggo also! Your Welcome!
Answer 2
Answer:

Answer:

it can be grouped as purines adenine guanine pyrimidine cytosine and thymisine these nitrogeneois base are attached to C1' of deoxyribose through glycosibic bond

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Why are some of Carl Linnaeus's classifications of organisms incorrect?

Answers

Because they were just theories. A theory is based on general principles but is not a proven fact.

Answer:

(D) Linnaeus primarily used physical characteristics.

Explanation:

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What can form when water supporting the roof of a cavern drains and the roof falls

Answers

A sinkhole would form

What are the contour lines on a contour map

Answers

In cartography, a contour line joins points of equal elevation (height) above a given level, such as mean sea level. A contour map is a map illustrated with contour lines, for example atopographic map, which thus shows valleys and hills, and the steepness of slopes. 

How might environmental manipulation of a crop have unexpected consequences?

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Environmental manipulation is sometimes good, but usually bad. Watermelons used to be bitter and small, but due to manipulation, its plump nad sweet now. This has a lot of unintended consquences that might not be seen for a long time. Once the consquences show up, it will be too late.

Answer: The new crop may require more water than the original

Explanation:

Anole lizards mainly eat small insects. Suppose an anole lizard saw a bright red butterfly and ate it, but was ill afterwards. For the rest of its life, the anole lizard refused to eat red butterflies even when it was hungry. What type of behavior is the anole lizard exhibiting when it avoids hunting red butterflies? A. social behavior B. innate behavior C. territorial behavior D. learned behavior

Answers

The answer is D. learned behavior.

A change in behavior of an organism takes place due an experience is called learning. Animals learn behavior in many ways. On such way is given the question that anole lizard ate bright red butterfly instead small insects which are its normal food and became ill. Anole lizard learned through experience that bright red insects are not its food. Thus, a learned behavior is one that an organism develops by encountering experience.    

D It is a learned behavior that the lizard developed based on experience.

4 PointsWhich is a cause of natural selection?
O
A. Limited food
O
B. Stable weather
O
C. Unlimited shelter
O
D. Lack of predators

Answers

The cause of natural selection would most likely be limited food which causes competition
It’s limited food hope it helps
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