The correct answer is: B) As land plants became more complex, animal life did as well.
This is because land could not be colonized by other organisms such as animals until land plants became established-there was nothing for animals to feed on.
So, plants were one of the earliest organisms to leave the water and colonize land.
Answer is: the part of an experiment that stays the same though out the experiment is constant.
<span>Constant is a quantity that does not change.
</span>Experimental variable<span>, which is the also part of an experiment, is affected by the experiment (have change).</span>
Answer: b
Explanation: Mitosis produces 2 cells where has meiosis produces 4 and 2 is half of 4
(plus I just took a test with this question)
Answer:
Option D, Tdap today; Td in 4 weeks; Td 6 months after the second dose
Explanation:
In general, Tdap is given before Td to all those adults who have never been administered with Tdap earlier.
Also as per the publication of CDC, any individual who is of 7 years or older than this and has never been vaccinated by Td needs following schedule of medication
a) First primary dose
b) After the first primary dose the second primary dose of Td must be given in 4 weeks and
c) The third primary dose must be given after 6 to 12 months.
Hence, option D is correct
