Chloroplasts contain chlorophyll which is what makes plants green. Onions are not green because they do not contain chloroplasts. The reason they do not have chloroplasts is because in the chloroplast, photosynthesis takes place. A key player in the process of photosynthesis is the sun. The onion itself grows underground which means while they grow they do not come into contact with the sun so chloroplasts in an onion is pointless since they can’t undergo photosynthesis. Hope I helped!
Answer:
Charles Darwin
Explanation:
Evolution theory is a shortened form of the term "theory of evolution by natural selection," which was proposed in the 19th century by Charles Darwin and Alfred Russel Wallace.
hope this helped!
Answer:
1.Take all of your medicines as they're prescribed, until your doctor takes you off them.
2.Keep all your doctor appointments.
3.Always cover your mouth with a tissue when you cough or sneeze. ...
4.Wash your hands after coughing or sneezing.
5.Don't visit other people and don't invite them to visit you.
Answer:
they use it to determine whether or not the animal is related by the bone structure and the structure of the body
The dependent variable in the experiment is the timing of a cricket's chirps. Thus, the answer is letter C. This variable is dependent on the temperature of the box in which the cricket was placed. The students want to know the relationship between this two variables.
