The photo shows an animal embryo.
Which two activities happen as the embryo grows?
A. The cel...
Biology, 17.12.2020 01:00 tmrsavage02p7cj16
The photo shows an animal embryo.
Which two activities happen as the embryo grows?
A. The cells rearrange molecules.
B. The cells form new organisms.
C. The cells divide.
D. The cells decrease in number.
Answers: 2
Biology, 22.06.2019 00:40, Loganstilson9847
Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation
Answers: 1
Biology, 22.06.2019 14:30, kiwe595
Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.
Answers: 1
Biology, 23.06.2019 01:30, Mrcastaway3036
Why does sexual reproduction increase the genetic variation in a species? a. sexual reproduction doubles the chromosome number. b. sexual reproduction produces organisms with no dna. c. the gametes in sexual reproduction are exact clones of the parents. d. a fertilized egg has a mixture of alleles from the two parents.
Answers: 1
Biology, 04.07.2019 03:00
Business, 04.07.2019 03:00
Mathematics, 04.07.2019 03:00
Chemistry, 04.07.2019 03:00
Mathematics, 04.07.2019 03:00