Answer:
D. They have longer life spans.
Explanation:
The species described as K-strategist have organisms with large body sizes. They exhibit slow development and have a long life span. These species attain reproductive maturity once the growth phase is complete. These species do not spend a large proportion of their metabolic energy on the production of offspring and do not produce a large number of offspring. They are found in the regions of relatively stable environments. Example: Redwood trees.
Oxygen did.....filling up space
Answer: crossing over
during the process of fertilization, a sperm and egg join together to create a zygote. since a sperm had half the number of chromosomes and an egg has half the number of chromosomes, when they join together the zygote had a complete diploid set of chromosomes. the assortment of chromosomes and crossing over promotes genetic variation during the process of reproduction
Answer:
Las células procariotas están rodeadas por una membrana plasmática y al igual que las células eucariotas tienen ADN, citoplasma y ribosomas. También tienen paredes celulares y pueden poseer una cápsula celular. Los procariontes tienen un solo cromosoma de gran tamaño, que no está rodeado por una membrana nuclear.30-Jan-2013
