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algol13
3 years ago
14

Why have pesticide producers failed to produce new mosquito-killing insecticides in recent years?

Biology
1 answer:
maria [59]3 years ago
4 0
The answer is the problem of resistance. Mosquitos have proven to be resilient to pesticides treatment hence becoming more dangerous and harder to eradicate. This is due to the fact that the pesticides are inducing mutation in their genes hence giving them resistance. This is why no-pesticide-control of mosquitos, such as the use of nets, is becoming the best option in mosquito control.
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Plants cam produce all the amino acids they need but animals cannot.

Essential amino acids are those that animals cannot produce by themselves and so need to obtain from their diet.there are 9 in numbers.

Non-essential amino acids are produced by the animals.they are not necessarily non-essential as the name indicates.they are 11 in numbers.

7 0
3 years ago
Please help I will reward brainliest
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Ill give you a brainliest if it is right
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Answer:

1,4,3,2

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3 years ago
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What is a nondisjunction? what is a nondisjunction? an error in which a diploid cell or organism has an extra chromosome of one
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3 years ago
In this assignment, you will write a story about how different foods travel through the digestive and excretory system from the
Reika [66]

d health

are explained on a nutrient level. The connection

of nutrients to dietary choices begins. Proteins,

Carbohydrates (aka “carbs”), Fats, Minerals,

Vitamins and Water are defined as the major

nutrient groups.

Focus and Engage

■ This chapter will make the students aware of the

food choices they make.

■ Help the students learn to evaluate foods for

nutritional quality.

■ Encourage the students to understand their

bodies’ needs.

Introduce the Section

a. Encourage the students to be aware of the varied

food choices available to them.

b. Discuss new food options and ideas with the

students.

c. Help the students to realize that nutrition is a

science, not just an opinion or a feeling.

2 Chapter 1 ■ The Food You Eat

1 The Food You Eat

Have you ever wondered how the food you eat fuels your body?

Why some foods make your body feel and perform better than others? Nutrition has the answers. The more you know about nutrition,

the better you will be able to make food choices that will keep you

healthy and strong and keep your body functioning optimally.

Adequate nutrition can help prevent certain diseases, maintain an

optimal body weight, and give you more energy to participate in the

activities you enjoy. There are six essential nutrients in the human

diet. Take a look at what’s on the menu in your school cafeteria

today, and see if you can identify items that contain these nutrients.

In This Chapter,

You Will . . .

■ Understand the science of

nutrition

■ Learn how proteins, carbohydrates, and fats comprise the

foods you eat

■ Learn about the benefits of

vitamins, minerals, and water

■ Discover what calories are and

how they are calculated

■ Learn about food additives

such as flavor enhancers,

preservatives, and coloring

Why YOU Need to Know This

2

Advance PreparationUSDA nutrient database (www.nal.usda.gov)

FDA Web site for label reading (www.cfsan.fda.gov)

Prepare Students will need colored pencils or markers

Paper for graphic organizers

Pop-beads—small costume jewelry or large baby toys that connect

Index cards or small pieces of paper

7 0
3 years ago
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