1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
iragen [17]
3 years ago
15

A woman treated her home with a pesticide that kills spiders. The first application killed 78% of the spiders. Two months later

she applied the pesticide again, but it only killed 45% of the spiders. What would best explain the decrease in the effectiveness of the pesticide?
Biology
1 answer:
WARRIOR [948]3 years ago
7 0
Natural selection. Only spiders that were more resistant to the pesticide lived through the first spraying of the pesticide, thus we're the only ones that could reproduce. This in turn made the offspring of the previous generation more resistant as well; thus making the pesticide less effective.
You might be interested in
Describe cell specialization. Why is it important that cells are able to specialize?
kicyunya [14]
If cells couldn't specialize, then the heart and other important organs would not function because if all cells did the same thing, the human would be one massive organ.
6 0
3 years ago
Read 2 more answers
Why is protein synthesis necessary for cell division to occur
xeze [42]

Protein synthesis is the process whereby DNA encodes for the production of amino acids and proteins. This process can be divided into two parts: Transcription and Translation. 

5 0
3 years ago
A 35-year-old male complains of a "pressure" type headache to the back of his head and neck. He states that he woke up with the
tigry1 [53]

Answer:

Answer is D. Tension

Explanation:

Tension headache is a type of headache that can be described as feeling of dull or moderate pain in the head, which can be inform of a tightness around the head and the neck.Tension headache is also known as stress headache.

It has been discovered that, various activities like driving for a long period of time, staring to a computer for a long period and exposure to cold temperature, can cause tension headache.

The following activities can be developed to reduce or avoid tension headache.

* Drinking a lot of water.

* Regular exercise.

* Sleeping very well

* Limiting stress

* Eating foods like almond and walnut.

In this case, the complaint of a 'pressure' type headache to the back of the head and neck by the man, was a typical feeling ,synonymous to tension headache.

3 0
3 years ago
The reproductive system in both males and females are controlled and regulated by the interaction of hormones from the hypothala
Kazeer [188]

Answer:

it's 26 and female and write the value

5 0
2 years ago
Acceptable Macronutrient Distribution Ranges (AMDRs) recommend that ________ should provide more calories than either proteins o
Sauron [17]
<h2>Answer ⚘</h2>

❝ Acceptable Macronutrient Distribution Ranges (AMDRs) recommend that <u>Carbohydrates</u> should provide more calories than either proteins or fats. ❞

<h3>#CarryOnLearning</h3>

WatanabeHaruto⚘

4 0
2 years ago
Other questions:
  • Explain unity among human beings for biology
    10·1 answer
  • HELP NOW I NEED A GOOD GRADE 30 points!!!!!
    5·2 answers
  • 25 POINTS
    11·2 answers
  • Explain how the cell cycle is normally controlled, including reference to the role of tumor-suppressor genes:
    15·1 answer
  • the brown body colour of a drosophila fruit fly is dominant black body colour and is not sex linked explain how gregor mendel co
    14·1 answer
  • Question 4<br> RNA is<br> double-stranded<br> single-stranded<br> twisted-ladder<br> Previous
    7·1 answer
  • Select the food chain that correctly relates the organisms from the primary consumer to the tertiary consumer
    6·2 answers
  • How many cells are in each phase of the cycle? *picture* *need all 5 stages*
    6·1 answer
  • Where do the decomposers come in the food chain if the pyramid gose like
    13·1 answer
  • how do ionizing radiation, ultraviolet radiation, and visible light harm microorganisms? how do microorganisms protect themselve
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!