Answer: the answer is 3red: 1pink flowers .
Explanation: A petal colour R is dominant to pink flower r =Rr .while crossing it with a heterozygous red flowered plant =Rr.
Ie: R r
R RR Rr
r Rr rr
The ratio of the flower colour is 3 red flowers and 1 pink
The correct answer is option B, that is, all living organisms are composed of one or more cells, which came from pre-existing cells.
A scientific theory refers to a well-substantiated illustration of some characteristic of the natural world, on the basis of a number of facts, which have been repeatedly confirmed via the experiment and observation. Such fact-supported theories are not hypotheses, however, are reliable explanations of the real world.
During the late 1830s, the zoologist Schwann and the botanist Schleiden were examining tissues and postulated the unified cell theory. According to the unified cell theory, all the living things comprises of one or more cells, the cell is the fundamental unit of life, and the new cells originate from the pre-existing cells.
The answer is serous membranes.
Hope it helped!
<u>Answer:</u>
The most appropriate answer option is B. must be certified if requirements are met.
<u>Explanation:</u>
The forensic biologist must be certified if requirements are met by the American Board of Criminalistics.
Option B seems to be the most appropriate answer to complete the given statement.
Forensic Science requires specific expertise for every field. Therefore, forensic biologists have certain requirements that they need to meet in order to achieve professional certification.