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
zysi [14]
3 years ago
6

Within a decade of the introduction of a new insecticide, nearly all of the descendants of the target insects are resistant to t

he usual-sized dose. what is the most likely explanation for this change in susceptibility to the insecticide?
Biology
1 answer:
scoundrel [369]3 years ago
7 0
The most likely explanation for this phenomena is that this is a result of natural selection.

What actually happened?
When the insecticide was introduced, it killed all of the organisms that were vulnerable to it. However, there was a portion of the population that was immune. Since the immune individuals were the only ones that have survived and left offspring, after some generations in the population of this organism there were only their descendants that have the resistance to the insecticide.
You might be interested in
PLEASE HELP ME it’s for living environment it’s only question 5
Zinaida [17]
I think the answer is either b or c
3 0
3 years ago
A student is instructed to record the odor of a substance after heating it in a test tube. Which is the
Grace [21]

Answer:

A Wave the fumes from the test tube toward the nose with a hand and inhale

Explanation:

4 0
3 years ago
Read 2 more answers
What is the main difference between photosynthesis and cellular respiration?
allsm [11]

Answer:

D. Cellular respiration releases oxygen and photosynthesis releases carbon dioxide

4 0
3 years ago
In addition to highly repeated DNA sequences and unique (single-copy) DNA sequences, a third class of DNA exists. What is it cal
Ratling [72]

Answer:

long-read sequencing

Explanation:

a method of dna sequencing under active development

7 0
3 years ago
Last week, you looked at both animal & plant cells. Both of these cells were ______. This week, you'll be looking at a diffe
Inga [223]

Answer:

"Last week, you looked at both animal & plant cells. Both of these cells were diploid somatic eukaryotic. This week, you'll be looking at a different, but very important, type of cell: sexual cells. Two gametes, one from a female & one from a male, merge during the process of fecundation/fertilization to form a zygote. All in the organism will develop from this initial diploid cell".

Explanation:  

There are two principal types of cells in the organism: Somatic cells that can not form any gametes, and germ cells that are in charge of gamete production. Both somatic cells and germinal cells will end their cycle dividing and becoming two daughter cells with the same genetic dotation after mitosis.

Somatic cells are any cell in the body excepting from sperm and egg cells. These somatic cells are diploid, they contain two chromosomes sets, each one inherited from each parental. Mutations in somatic cells affect the individual but the progeny does not inherit them. In this sense, these cells do not contribute to anything to inheritance terms through genetics.

Germ cells are the reproductive diploid cells, and the sexual organs (testes and ovaries) are the ones that produce them. These cells might suffer mitosis to form more sexual cells, and then a few of them suffer meiosis giving place to haploid gametes called sperm and egg cells through the gametogenesis process. Each germ cell produces 4 haploid gametes after meiosis.  

Gametes´destiny is to merge in the process of fecundation, during which a new diploid cell called zygote emerges through fertilization. The zygote is a complete cell from the structural point of view that suffer successive mitosis to form the new organism.

 

6 0
3 years ago
Other questions:
  • Which of the following describes why wetlands are important to the water cycle?
    9·2 answers
  • Which country has the largest forest areas?
    15·1 answer
  • All electromagnetic radiation:
    13·2 answers
  • A student is outside on a very hot day. How does perspiration help maintain his body heat?
    11·2 answers
  • What's the body's response to exercise ?
    13·1 answer
  • All amino acids end in?
    13·2 answers
  • Plants need carbon dioxide in order to survive plant get this gas from blank which is something all organisms need
    7·1 answer
  • Help is needed please!!
    14·1 answer
  • When a species adapt to its environment is this an example of natural selection or evolution
    5·1 answer
  • Which age group has a higher relative exposure risk to bpa?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!