BIOLOGY HIGH SCHOOL

Which organisms are most likely to survive in a population in which disruptive selection is occurring? 1.Organisms that have average traits 2.Organisms that have extreme traits 3.Organisms that have the greatest number of offspring 4.Organisms that are the largest and strongest

Answers

Answer 1
Answer:

Answer:

2.Organisms that have extreme traits

Explanation:

Disruptive selection, which is also referred to as diversifying selection, is a form of natural selection in which environmental conditions favor individuals with extreme phenotypes over individuals of intermediate phenotypes. Organisms of average traits, as a result of environmental changes, become unfit to survive as the other organisms having extreme traits
Answer 2
Answer:

Answer:

person above me is correct

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A student is viewing a cell under a microscope. She determines that it has a nucleus, a cell membrane, a cell wall, and chloroplasts. What type of cell is the student most likely viewing? Choose 1 answer: (Choice A) Plant cell (Choice B) Fungal cell (Choice C) Bacteria (Choice D) Animal cell
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How is a thornscrub ecosystem different from a desert
An atom of an element has 10 protons. What is also true of that atom? A. It has 10 electrons. B. It has 10 isotopes. C. It has 10 neutrons. D. It has 10 ions.

Ex.1 Which of the following statements regarding mutation rates is correct? a) Mutation rates are independent of gene size. b) Mutation rates for all genes of an organism are approximately the same. c) Mutation rates are independent of exposure to external agents such as UV radiation. d) Average mutation rates vary among taxonomic groups. Practice Problem 64 The amino acid changes noted in Parts A-C are the result of changes in DNA sequence. For each of these amino acid changes, evaluate whether a single base change in the given codons could account for the change in the amino acid. Part A For which codon(s) could a single base change account for this amino acid change? Lysine to Asparagine Select all that apply. UUU AAG AAA none of these codons Part B For which codon(s) could a single base change account for this amino acid change? Alanine to Phenylalanine Select all that apply. GCG GCU GCC GCA none of these codons Part C For which codon(s) could a single base change account for this amino acid change? Leucine to Glutamine Select all that apply. CUC UUG UUA CUG CUU CUA none of these codons

Answers

b) Mutation rates for allgenes of an organism are approximately the same.
Mutations result to certain adaptations, functional or behavioral adaptations refer to particular things that an organism or organisms do to survive. In the example above, behavioral adaptations that birds do is through certain bird calls and migration, while bears hunt during warmer seasons and hibernate during winter season. 

Tropical areas receive the most solar radiation because A. the Sun's rays are nearly perpendicular to Earth's surface.
B. the air is thinner, causing more of the Sun's rays to reach the surface.
C. most tropical areas are situated at higher elevations, closer to the Sun.
D. they're surrounded by large bodies of water which reflect sunlight.

Answers

Answer;

A. the Sun's rays are nearly perpendicular to Earth's surface.

Explanation;

-Tropical region receives more solar radiation not only because the Sun’s rays hit the region more directly, but also because they travel through less of the atmosphere to get there.

-Some radiation is absorbed as it travels through the atmosphere, so less energy is lost in tropical regions.

Is D most tropical areas are situated at higher elevations, closer to the sun

How does access to sunlight affect the biodiversity of a river ecosystem

Answers

Areas with more access to sunlight will have more brush and plant life while areas with less access to sunlight will either grow less or grow differently, i.e. certain mosses that don't require as much sun as regular green leafy plants. This will create pockets of high and low biodiversity accordingly.

Answer:

Plant and animal life is limited in areas with little access to sunlight.

Explanation:

This is B on edge if you are taking APES :)

1 2 3 4 5 6 7 8 9 10 Which process occurs when bacteria converts nitrogen gas to a usable form? a. Decomposition b. Condensation c. Fixation d. Transpiration

Answers

The process in which bacteria convert nitrogen gas into a usable form is **c. Fixation.** Nitrogen fixation is a vital step in the nitrogen cycle, where atmospheric nitrogen gas (N2) is converted into ammonia (NH3) or related compounds that plants can use for growth.

What are the different ways in which glucose is oxidised to provide energy in various organisms​

Answers

Answer:

Aerobic respiration, Anaerobic respiration in yeast, Anaeorbic respiration in muscles.

Explanation:

1) Aerobic respiration: In this case pyruvate is broken down into water and carbon dioxide along with release of energy. It commonly occurs in mitochondria of cells.

2) Anaerobic respiration in yeast: In yeast cells during fermentation pyruvate is converted into ethanol and C02 in the absence of 02.

3) Anaeorbic respiration in muscles: Due to lack of oxygen, eg. during vigorous running or exercise, in human muscles, pyruvate is converted to lactic acid.
Carbohydrates, carbohydrates, carbohydrates or saccharides are biomolecules composed mainly of carbon, hydrogen and oxygen, although some of them also contain other bioelements such as nitrogen, sulfur and phosphorous. The main functions of carbohydrates in living beings are to provide immediate energy (not in vain they are the main source of energy, through an oxidation process, in most non-photosynthetic cells), as well as a structural function

The function f(x) = 1.50x + 12.50 relates how much Kelsey pays for digital service, f(x), to the number of movies, x, she streams in a month. What is the value and meaning of f(18)?A. $27.00; this is the amount Kelsey pays for 18 months of service

B. $27.00; this is the amount Kelsey pays for 18 movies in 1 month

C. $39.50; this is the amount Kelsey pays for 18 months of service

D. $39.50; this is the amount Kelsey pays for 18 movies in 1 month

Answers

f ( 18 ) = 1,50 * 18 + 12.50 = 27.00 + 12.50 = $39.50,
x - number of movies.
Answer: D ) $39.50; this is the amount Kelsey pays for 18 movies in 1 month

Answer:

It's D

Explanation: (I got right on a quiz)
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