A farmer has chosen to breed a rooster and a chicken. He selects the chicken that has historically laid the most eggs. The farmer is doing _____. biological selection evolution artificial selection cross breeding

Answers

Answer 1
Answer: A farmer has chosen to breed a rooster and a chicken. He selects the chicken that has historically laid the most eggs. The farmer is doing _____. biological selection evolution artificial selection cross breeding.
Answer 2
Answer: The answer would most likely be artificial selection.


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Neurons are not connected; they transmit signals across a space called a _____.dendrite axon synapse impulse

Amylase becomes denatured at a temperature of 80c. During an experiment to study the effect of varying temperatures on enzyme activity, amylase's reactivity with starch was measured at a body temperature of 37c and then again at an increased temperature of 42c. How would this increase in temperature affect the experiment?

Answers

Answer:

The rate of reaction will increase

Explanation:

Temperature is known to affect the rate of the reaction. Generally, chemical reactions depend on thermal activation. It means that an increase in temperature also increases the kinetic energy of the reactants. Increasing the temperature increases the reaction rate due to the increase in the number of molecular collisions between reactant molecules. The speed of a particle is directly related to its kinetic energy and thereby an increase in temperature also results in an increase in the amount of collisions between molecules per unit of time.

Which of the following help decrease heart disease and lower cholesterol?unsaturated fats
saturated fats
calories
trans fatty acids

Answers

Low-saturated fats - can reduce the risk of developing heart disease and lower cholesterol
Saturated fats - increase 
blood cholesterol and heart attack rates
Trans fats - increase 
blood cholesterol and heart attack rates

A low-saturated fat, high-fibre diet can reduce the risk of developing heart disease and lower cholesterol.

Answer:

A

Explanation:

Unsaturated Fats

(Just took the quiz, this is correct)...entered B saturated fats which was wrong

Science has shown that smoking causes cancer. Which is an example of howsociety responded to this information?
O
A. Cigarette smoking remains very common.
O
B. Cigarette smoking has become more common on television.
O
C. Warning labels are required on all packs of cigarettes.
O
D. Stores have continued to sell cigarettes.

Answers

Answer:

C

Explanation:

C/ warning labels are required on all packs

Which statement best describes how the evolution of pesticide resistance occurs in a population of insects?A. Individual members of the population slowly adapt to the presence of the chemical by striving to meet the new challenge.
B. All insects exposed to the insecticide begin to use a formerly silent gene to make a new enzyme that breaks down the insecticide molecules.
C. Insects observe the behavior of other insects that survive pesticide application, and adjust their own behaviors to copy those of the survivors.
D. A number of genetically resistant pesticide survivors reproduce. The next generation of insects contains more genes from the survivors than it does from susceptible individuals.

Answers

Answer:

D. A number of genetically resistant pesticide survivors reproduce. The next generation of insects contains more genes from the survivors than it does from susceptible individuals.

Explanation:

Insect populations already have some insects with pesticide resistance genes. Exposure of insects to pesticides results in the natural selection of these insects with pesticide resistance as they are able to survive and reproduce in the presence of pesticides whereas the other insects die. The resistant insects leave more progeny resulting in the evolution of insect population with increased frequency of pesticide resistance gene.

Which set of structures makes up the brain stem?midbrain, pons, and medulla
pons, cerebellum, and medulla
midbrain, cerebrum, and cerebellum

Answers

There are three set of structures make up the brainstem, Medulla, Pons, and Cerebellum. The medulla, which controls our breathing, swallowing, blood pressure, and heart rate. The pons, which links the cerebellum to the cerebrum. The midbrain, which governs rudimentary our vision and hearing.

The brain stem is made up of the midbrain, pons, and medulla.

The set of structures that make up the brain stem are the midbrain, pons, and medulla.

set of designs that make up the cerebrum stem are the midbrain, pons, and medulla. These designs assume significant parts in transferring data, directing crucial capabilities, and controlling engine capabilities.

Learn more about brain stem

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The first step that occured in the speciation of the Galapagos finches.A) establishing genetic equilibrium
B) behavioral isolation
C) ecological competition
D) founders arrived

Answers

The first step that occured in the speciation of the Galapagos finches is behavioral isolation. The answer to your question is B. I hope this is the answer that you are looking for and it comes to your help.