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
VikaD [51]
3 years ago
5

Scientists notice structural similarities between fossils of a land animal and an aquatic organism. They know the similarities a

re not a result of the two organisms having to adapt to similar environments. What can they attribute the structural similarities to?
Biology
2 answers:
Alika [10]3 years ago
4 0

the correct answer is B) common ancestry

Free_Kalibri [48]3 years ago
3 0
The answer is common ancestor.

Since these two organisms are adapted to different environments and still have structural similarities, that means that they must have a common ancestor. Common ancestor is an ancestral organism that two or more descendant lineages have in common.
You might be interested in
Por que es importante el sistema respiratorio? (Importancia del sistema respirtorio)
Mamont248 [21]
Los pulmones y el sistema respiratorio permiten la entrada del oxígeno del aire en el organismo, así como la expulsión de dióxido de carbono al espirar. La respiración es el término que se utiliza para denominar el intercambio de oxígeno procedente del entorno por el dióxido de carbono que se produce en las células.
5 0
3 years ago
An acute non-contagious respiratory tract infection that produces severe pneumonia-like symptoms caused by bacteria that thrive
Darina [25.2K]

Streptococcus infection carries all the symptoms mentioned.

<h3><u>Explanation</u>:</h3>

<em>Streptococcus pneumoniae</em> and <em>Diplococcus pneumoniae</em> are the organisms that gram positive bacteria. These bacteria enters the respiratory system from droplet method propagation which is through aerosol or water droplet inhalation which are infected with these bacteria. These bacteria leads to the severe antigen antibody reaction inside lungs which leads to high rate of mucous secretion. This leads to formation of pneumonia.

These bacteria are mainly seen in tropical countries with warm climate and humid environment. These bacteria doesn't spread through contagious methods like touching. But the protection must be taken as these patients cough can contain lakhs of these bacteria which are enough to infect a healthy individual.

6 0
3 years ago
Read 2 more answers
What happens to the nuclear membrane after prophase?
nasty-shy [4]
<span>At the end of prophase , nuclear membrane , nucleolus and all the cell organelles disappears and there is no distinction between the nucleoplasm and cytoplasm</span>
4 0
3 years ago
A neutron is combined in a nuclear reaction with a proton to make a heavy hydrogen nucleus. This nucleus then acquires _____ ele
sergeinik [125]

Answer:

This nucleus then acquires <u><em>one </em></u>electron to become electrically neutral.

Explanation:

Fusion :It is nuclear reaction which two or more than smaller nuclei combines together to form heavy nuclear.

A neutron combines with proton in order to make heavy electron that is fusion reaction is taking place.

^{1}\textrm{n}+^{1}_{1}\textrm{H}\rightarrow ^{2}_1\textrm{H}+

The overall charge in the nucleus will be +1.And in order to neutralize this positive charge the nucleus will acquire single electron to become electrically neutral.

3 0
3 years ago
A transform plate boundary is located by the:
Allisa [31]

Answer:

it's answer b

Explanation:

just took test

8 0
3 years ago
Other questions:
  • How do I identify sample, independent and dependent variables?
    5·1 answer
  • From the point of view of energy use why is recycling better?
    15·1 answer
  • Which of these nanocomposite materials classifications is used in the niche application of increasing the freshness and shelf li
    5·1 answer
  • Which part of the brain is associated with ten of the 12 cranial nerves
    14·1 answer
  • Which perspective highlights the reproductive advantages of inherited psychological traits?
    12·1 answer
  • Which represents the point in Earth’s revolution around the Sun when it is at aphelion?
    9·1 answer
  • Which sound wave, A or B, has higher intensity?
    6·2 answers
  • Genes are located in which part of a cell?
    5·1 answer
  • What role did scientific methods, such as communicating results, play in the discovery of the structure of dna?
    13·1 answer
  • The enzyme EF‑Tu catalyzes the formation of a peptide bond between the amino acid held by the tRNA in the A site and the elongat
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!