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
Ksenya-84 [330]
3 years ago
13

What have we learned from fossil evidence about evolution?

Biology
1 answer:
Lyrx [107]3 years ago
6 0

Answer: the answer is B

You might be interested in
Describe the difference between negative and positive feedback
Rzqust [24]
One is optamistic feedback and another is pesimistic.
5 0
4 years ago
Read 2 more answers
Phycobiliproteins are a complex of accessory pigments and proteins found in cyanobacteria but not in green algae. A researcher c
Ksju [112]

Answer:

Option D

Explanation:

Cyanobacteria preserve its photosynthetic pigments in the thylakoids which allows masking of green of chlorophyll a and other accessory pigment i.e phycobiliproteins (phycocyanin, allophycocyanin and phycoerythrin).  

Chlorophyll a is mainly responsible for harvesting light for photosynthesis. Phycocyanin is blue in color, allophycocyanin is blue in color  and phycoerythrine is red in color. These together harvest light in the green, yellow and orange part of the spectrum which cannot be used by other phytoplankton species

Hence, option D is correct

8 0
3 years ago
Which one of these is not an example of intracellular communication? molecule in a cell changes function of cell control of cell
chubhunter [2.5K]
<span>bacteria share information about nutrients<span>
</span></span>
6 0
4 years ago
Read 2 more answers
if both alleles show up or are expressed in cross like roan cattle or calico cats what type of inheritance is it​
sineoko [7]

Answer:

This means that the alleles are co-dominant.

Explanation:

However, calico cats are calico for a different reason. The reason calico cats are two different colors is due to something called X inactivation. In females, cells only need one X chromosome, so each cell independently chooses an X to inactivate. The inactivated X chromosome is called a Barr body.

So, the calico pattern appears in female cats because the color gene is located on the x chromosome and depending on which chromosome you inactivate, that cell will express a different color. This is also why you only find female calico cats.

4 0
3 years ago
A substance has a volume of 20 mL and a density of 2.5 g/mL. What is its mass? 0.125 g
KATRIN_1 [288]
The answer would be D) 50 g
4 0
3 years ago
Other questions:
  • When blue food coloring is dissolved in water, the result is a ________?
    12·1 answer
  • Give an example of evidence of common descent between bats and primates.
    6·1 answer
  • Vwhat type of body movement occurs in the lower leg when a person kicks a soccer ball forward?
    6·2 answers
  • What is the name of the reaction when you split a disaccharide? What products do you gain?
    15·1 answer
  • RullS<br> Only an experiment can prove:
    5·1 answer
  • Gametes are<br> reproductive organs<br> reproductive cells<br> O reproductive tissues
    5·2 answers
  • The arctic hare on the left and the jack rabbit on the right are adapted to
    13·2 answers
  • Which of the following is NOT a cause if weathering?
    8·1 answer
  • What is the effect of DNA copying which is not perfectly accurate on the reproduction process?​
    10·2 answers
  • At the site of infection, leukocytes are stimulated to express ________, which causes them to attach to the endothelial cells be
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!