Answer: mode of reproduction
Explanation: Phylum pteridophyte are vascular plants this means they are plants that possess xylem and phloem tissues. Phylum pteridophyte reproduce and disperse by spores. The dominant phase in pteridophyte is sporophyte.
Phylum bryophyte lack true roots and they are non-vascular plants (no xylem and phloem tissues). They reproduce via gamates, the dominant reproductive phase in bryophyte is gametophyte.
Answer:
The options are
A. both homzygous dominant
B. both homzygous recessive
C. both heterozygous
D. one homzygous dominant, one homzygous recessive
The answer is C. both heterozygous
Since it’s in the ratio of 1:2:1 the genotype will be Rr and Rr.
Answer:
<h3>sand is a substance: because is a mixture of two or more material which are not completely comband tougher but are phsicla comband tougher</h3>
Answer:
Many parts of the cardiovascular system (including the heart) are influenced by gravity. On Earth, for example, the veins in our legs work against gravity to get blood back to the heart. Without gravity, however, the heart and blood vessels change – and the longer the flight, the more severe the changes.