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
RSB [31]
3 years ago
5

Scientists discovered a fossilized cockroach trapped in amber, which was supposed to be about 50 million years old. DNA fingerpr

inting and comparison with today’s living cockroaches revealed that modern cockroaches have certain additional genes which allow them to survive in today’s colder climate. Which of these could be the correct explanation for this discovery?

Biology
2 answers:
mash [69]3 years ago
8 0

Answer:

Change in gene frequency of ancient cockroaches led to the evolution of modern cockroaches.

Explanation:

Please see the attachment

Ostrovityanka [42]3 years ago
4 0
Change in gene frequency of ancient cockroaches led to the evolution of modern cockroaches. 
You might be interested in
George is running a 5-km race and his cells need more oxygen. Which change will help his body meet the increased demand for oxyg
Vinil7 [7]
A. because the heart will pump more blood filled with oxygen to the muscles that need it most
6 0
3 years ago
Read 2 more answers
Calculate the mass of the book on the moon.<br> On moon surface gravity (g) is 1.6 N/kg
mafiozo [28]

Answer:

The Moon has a smaller mass than the Earth and so the pull of gravity by the moon on an object is smaller than on the earth. The moon has a smaller gravitational field strength. On the Moon, g = 1.6 N/kg.

Explanation:

if u like this answer plz mark as brainlist and follow me

6 0
2 years ago
Insulin and enzymes are examples of which macromolecule?
NeX [460]
I believe the answer is proteins. hope this helped! :)
6 0
2 years ago
HELP IMMEDIATELY WITH 3 QUESTIONS HELPPP
Nookie1986 [14]

Answer: 1.b 2.d 3.c

Explanation:

7 0
3 years ago
All males receive their X chromosome from their ?
ELEN [110]

Answer: Biologically male people always inherit their X chromosome from their mother. The X chromosome is about three times larger than the Y chromosome, containing about 900 genes, while the Y chromosome has about 55 genes. Female mammals have two X chromosomes in every cell. However, one of the X chromosomes is inactivated.

Explanation:

4 0
2 years ago
Other questions:
  • Ecology is the study of the differences between plants and animals in their environment
    10·1 answer
  • ____ has the highest affinity for electrons while _____ has the lowest affinity for electrons.
    13·1 answer
  • When a sound is moving toward the observer the observer will hear a higher pitch. This is due to
    11·1 answer
  • 40 POINTS!
    8·1 answer
  • Which best describes the nature of photosynthesis?
    5·2 answers
  • Protein X is a protein that is composed of four subunits of equal size--alpha, beta, delta, and gamma--that are bound by either
    14·1 answer
  • Anything that is built or created in an organized manner
    7·2 answers
  • How does the purpose of the Kerbs cycle differ from the purpose of the cleaving cycle
    13·1 answer
  • Identify the correct number of protons, neutrons, and electrons of an element with the following information
    7·1 answer
  • Which item is a carbon source?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!