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
Furkat [3]
3 years ago
9

Almost all living organisms use the same basic biochemical molecules. these similarities cannot be explained by descent from a c

ommon ancestor.
a. True
b. False
Biology
1 answer:
Firlakuza [10]3 years ago
4 0
I think the answer would be false. Not all organisms has the same biochemical molecules. Every organism has their own unique characteristic and are made up of different molecules. There may be some but they are only a small portion of the whole system.
You might be interested in
Many scientists are concerned that the Oglala Lakota aquifer in the United States is being depleted at an alarming rate. What wo
HACTEHA [7]
Many scientists are concerned that the Ogallala aquifer in the United States is being depleted at an alarming rate. The statement that is correct and would state the most likely be a major effect of this aquifer running dry is choice A. It states that many crops would die because irrigation water would be limited.

 
8 0
3 years ago
In what process do bacteria break nitrogen gas down into a usable form for plants?
Serggg [28]

During nitrogen fixation, bacteria breaks nitrogen gasses down into a usable form for plants.

6 0
4 years ago
What is the weight of the air that is pressing down on us at sea level, in pounds per square inch?
horrorfan [7]

Answer:it hard

j

Explanation:

kjukyjg

8 0
3 years ago
DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. It was very effective at first, but after a
dlinn [17]

Insect populations can develop resistance to insecticides over time. The evolution of resistance is associated with an increase in the frequency of adaptive genes in the population.

  • In the case above described it is expected that a few mosquitoes in the population were resistant to DDT before it was ever used (Option a is correct).

  • Dichlorodiphenyltrichloroethane (DDT) is a pesticide used in agriculture.

  • After exposure to DDT, those individuals in the mosquito population that didn't carry gene variants (i.e., alleles) associated with the resistance to this pesticide died.

  • Subsequently, insects having adaptive alleles associated with DDT resistance survived and reproduced, thereby increasing the frequency of adaptive genes/alleles in the population.

Learn more in:

brainly.com/question/6389591?referrer=searchResults

8 0
3 years ago
Interesting Facts (don't tell me definition cuz I already know it) about xylem, at least one
horsena [70]

Answer:

Its cells have thick, hard walls.

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • In classical conditioning, if the conditioned stimulus is repeatedly presented without the unconditioned stimulus, what will lik
    9·2 answers
  • A researcher planted 160 seeds from an F2 cross of two hybrid purple flowered plants and got 123 purple flowered progeny and 37
    15·1 answer
  • What type of bond keeps each individual DNA strand together?
    14·1 answer
  • Red blood cell will swell and burst when placed in which of the following kinds of solution
    8·1 answer
  • The _____theory explains how her universe became so structured and uniform
    7·1 answer
  • Like dna rna contains four nitrogenous bases. Three of them are the same as those found in dna. The one that is different is cal
    14·2 answers
  • During what reproduction, cells reproduce identical and unidentical offspring
    7·1 answer
  • If you stir salt into boiling water, your produce a
    11·1 answer
  • Please anyone help please help ASAP
    12·1 answer
  • When you are rating evidence by its value, weigh the benefits of one good fingerprint versus hair and fiber evidence. Fully expl
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!