Vegetative propagation is an asexual method of plant reproduction that occurs in its leaves, roots and stem. This can occur through fragmentation and regeneration of specific vegetative parts of plants.
Answer: They are called Telomeres.
Explanation:
Telomeres is a region of repetitive nucleotide sequence present at each end of chromosomes that protect the internal regions of the chromosome, they are cap down in a small amount t in every DNA replication.
Telomeres are found in many eukaryotic species ranging from human beings to unicellular protists.
Answer:
c. Most scientist, including Darwin thought species were product of natural processes and changed over time.
Explanation:
Darwin was not the first scientist to think or proposed that the species changed over the time, but in his expedition and through several observations, he concluded that these changes over the time are the consequence of the adaptations of the living things to the environment that surround it.
That is the reason why his theory mixed with Mendel genetics discover, changed the point of view of the evolution in species.
Crossing over is done in Pachytene stage of meiosis 1 !!
Answer:
We know energy is transferred because it is exchanged at each level when one consumer eats another consumer.
You can provide evidence by comparing the units at each level.