BIOLOGY MIDDLE SCHOOL

Describe how fossils help us understand the past

Answers

Answer 1
Answer: They tell us how life evolved and adapted to different environments and global changes throughout the Earth's development

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How do the nitrogen bases in the DNA model pair?

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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:

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

if the low power objective and the eyepiece both have a magnifying power of 10x the total magnifying power of the microscope is

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100x, all you have to do is multiply them together to get your answer.

When a fish loses water in its environment which process is responsible

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Answer: The water cycle

Explanation: simplified-- The water cycle takes water from the ground, lakes, and ponds to make clouds, those clouds rain and put water back where it drew it from.
evaporation, transpiration, surface runoff etc are all reasons and part of the: water cycle (

When energy from the sun hits the air above land, the air warms and rises. Along a coastline, cooler air above the ocean flows toward the land to replace this rising air. Which of the following best describes these processes. F.conduction and convection G. radiation and convection H. conduction , convection, and radiation I. radiation and convection

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G. radiation and convection

Heat in Physics is an energy that is in a process of transfer between a system and its surroundings other than the transfer of matter. In  Thermodynamics,  a science that deals with the study of heat and temperature and their relationship to energy and work, finer details of the process is unpredictable. Heat flows from a hotter to a colder body when there is a physical pathway. This pathway is suitable and can be direct such as radiation and conduction. It can also be indirect as in convective circulation.

Answer:

RADIATION AND CONVECTION

Explanation:

In humans, a widow’s peak hairline (H) is dominant to a straight hair line (h). If a heterozygous male mated with with a homozygous recessive female, what would the genotypes of the offspring be?Group of answer choices

25% hh, 75% Hh

50% Hh, 50% hh

50% HH, 50% hh

100% Hh

Answers

Answer:

Your correct answer is B 50% Hh, 50% hh

Explanation:

Since the male is heterozygous he has the genotype Hh and since the female is a homozygous

Hope this helps :) -Mark Brainiest Please :)

Answer:

B, 50% Hh and 50% hh

Explanation:

Since the male is heterozygous he has the genotype Hh and since the female is a homozygous recessive her genotype is hh, together in a punnet square you will get this answer

Which of the following is a relatively new disease? a. polio, b. smallpox, c. west nile virus, d. all of the above

Answers

the answer is c. west nile virus in about year 2012 it appeared and in 1937 there was a outbreak in africa.
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Water harvesting, the collection of rainfall and run off for future use, has been practiced throughout the far east for thousands of years. This method helps in both water and land conservation, but this method is only practical in semi-arid and mountainous regions. Where in the United States could this method be used with success?
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One theme from The Metamorphosis is that loneliness can make a person feel isolated from others. Which passage from the story best supports this theme?