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A lake is home to a large number of trout. Identify what is most likely to happen if a chemical is dumped into the lake.

I. The trout will not be affected by the pollution.
II. The number of trout will increase.
III. The trout will suffer from disease.

A) I
B) I and II
C) III
D) II and III

Answer: C

Explanation: The process that occurred in the lake is natural selection. In the presence of an external environmental influence such as pollution, only the trouts that were fit to survive or in other words those that have the alleles that help in adapting to the new conditions live and increased in numbers. In such a case, one can say the fittest of the organisms survived and the corresponding allelic frequency in that population increased over time. The organisms carrying the other alleles died due to pollution and hence the overall frequency of alleles change.

A lake is home to a large number of trout the trout will suffer from disease is most likely to happen if a chemical is dumped into the lake. The correct option is C.

Chemical pollution is the contamination of our environment with chemicals that are not naturally present.

According to scientific evidence, the trout in option will most likely suffer from disease.

Chemical pollution can harm aquatic life, including fish, by lowering oxygen levels, changing the pH balance of the water, and introducing toxins into their food chain.

Exposure to such chemicals can weaken the fish's immune system, making them more vulnerable to disease.

Option B and A is also less likely to be true because the introduction of chemicals into the water can disrupt the ecosystem's balance and affect the availability of food and oxygen, causing the trout population to decline.

Thus, the correct option is C.

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Hummingbirds need large amounts of energy to flap their wings between 60 and 200 times per second. Their wings beat so rapidly that it is difficult to see them move. They often appear suspended in air for extended periods of time without changing their location. Hummingbirds have long bills and grooved tongues to reach into flowers to feed on flower nectar. They also feed on insects.

The body system most directly interacting with the skeletal system to enable hummingbirds to beat their wings between 60 and 200 times per second is the-

F.
muscular system.

G.
integumentary system.

H.
endocrine system.

J.
circulatory system.

What's the answer please?

The bacterial DNA can be found in the

Which is the best example of a response to an external stimulus?

A. drinking water after a long run
B. avoiding the sun by looking for food at night
C. a hungry bear hunting for food
D. falling asleep in the treetops of a forest

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Which organelle is responsible for the construction of sugars during the process of photosynthesis?

In the oxygen–carbon dioxide cycle,
a. animals produce oxygen used by plants for photosynthesis.
b. animals produce oxygen used by plants for respiration.
c. animals produce carbon dioxide used by plants for photosynthesis.
d. animals produce carbon dioxide used by plants for respiration.

The inflammatory response is an innate reaction to invasion by a pathogen regardless of whether that pathogen had been previously encountered. Which statement best describes the symptoms of redness and swelling at the site of a splinter after its removal? A) Interactions of the circulatory and immune systems create an increased blood flow and immune cell metabolism, which causes redness and swelling. B) Interactions of the respiratory and immune systems create an increased breathing rate and immune cell metabolism, which can lead to redness and swelling. C) Interactions between the immune system and digestive system increase the digestive enzyme activity at the site of the infection, which leads to redness and swelling. D) Interactions of the immune system and nervous system lead to increased cellular communication and hormonal activity at the site of the infection, which causes redness and swelling.

The arctic fox is uniquely adapted to its environment with white fur for camouflage, a small nose and ears and warm coat to prevent heat loss and strong paws for running and hunting. Which statement best describes how the arctic fox population may have adapted to its environment over time?
Choose the correct answer.


Foxes were bred to meet human needs for white fur.

Foxes developed smaller ears and noses in response to their cold climate. They were able to survive and pass this trait on to their offspring.

Foxes changed their fur to white to hide from predators and disguise themselves from their prey. They were able to survive and pass this trait on to their offspring.

Variation existed in the traits of the fox population. Foxes with smaller ears and noses were able to stay warmer and were more likely to survive and reproduce to pass their genes on to offspring. Over time, the fox population showed a shift to smaller ears and noses.

PLEASE HELP ME, it's URGENT!! TO GET A BRAINLIEST FROM ME, PLEASE EXPLAIN WHY YOU CHOSE THAT OPTION
The breaking down of starch into its component sugars would be an example of
A. Catabolism
B. Cell Division
C. Protein Synthesis

Original Chromosome: ABCJKL Which of the following depicts a
translocation chromosomal mutation?

A.) ABBC*JJKL

B.) AC*JKL

C.) ABC*MNO

D.) AJK*LBC

Which of the following increases transpiration?

A air around the leaf with high humidity.
B air molecules around the leaf with kess kinetic energy.
C an obsence of light falling on the leaf.
D water molecules in the leaf with more kinetic energy.​

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Which of the following is the best description of an element?

1. A substance that cannot be broken down into simpler substances

2. A naturally occurring mineral made of more than one substances

3. A small particle made with a specific chemical composition

4. A collection of atoms that have different abilities when joined together

A “flight or fight” response occurs when the body perceives a type of threat. The hormone known as adrenaline is released which will affect a variety of body systems. Which system needs to increase its activity in order for the muscular system to respond to the perceived threat?

A)Endocrine
B)Integumentary
C)Excretory
D)Digestive

True or False: You will have 16 offspring in a dihybrid cross.

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Many plants have the ability to respond to herbivores. Some plants produce substances
which are distasteful or toxic in response to an herbivore attack. Which of these is the LEAST correction description of the plant system interactions involved?

A. Carbon dioxide diffuses through stoma into leaf tissues, where it is fixed into organic compounds
which may serve as building blocks for chemical defenses.

B. Root systems obtain water and key minerals from the soil where they are transported to the affected site.

C. Shoot systems carry carbon dioxide, water and nutrients from leaves directly to the affected
plant part, where chemical defense molecules are produced.

D. Chemicals found in a herbivore's saliva trigger chemical messengers which trigger production of
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When a car slams on breaks, a book in the seat of the car slides forward. What terms describes why that happens?​

What is the ecological term for an organism that converts sunlight into chemical energy?

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b. Detrivore

c. Carnivore

d. Producer

A busy city is similar to a cell. Both a city and a cell are made up of many important parts that work together as a whole. What could you find in a city that has a similar function to the mitochondria in a cell?

A. a power plant
B. a water tower
C. a traffic signal
D. a street sweeper

A trait that occurs in 900 individuals out of a total of 1,800 individuals occurs with a probability of

How would you differentiate a "living" and "non-living" thing? What key characteristics separate the two?​

? transfers heat within the atmosphere and ocean.

how are pure carbon, oxygen, & hydrogen different from the compound ethanol which contains all three of those elements

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What application of biotechnology seeks to make a positive impact on human health by searching the marine environment for novel compounds, such as new drugs?
Biochemical engineering
Biomimicry
Bioprospecting
Environmental biotechnology
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ill give brainly pls answer asap

What is true about two different cell types in the body?

Three of these could be grouped into a similar category. Which one does not belong. Explain why? brain, liver, skin, and femur

Which of the following is most helpful for identifying an organism using a dichotomous key?
O Its average lifespan.
0 Its sources of food.
O Its habitat.
O Its physical structures.

The one that provides short term energy and structure to the body ____________________

Does anyone have the file for a biology lab. The lab is...

Lab: Blood Typing
Assignment: Lab Report

The name of the class is Biology B-IC