Both the arctic fox and snowshoe rabbit have made species adaptations over time that enable them to survive. for example, both creatures have fur that turns white in winter and fur on the pads of their feet. these are examples of adaptations to
question 1 options:
geographical isolation.
interspecies competition.
climate.
specific food sources.
question 3 (1 point)
most animal cell membranes have proteins that pump ions out of the cell and potassium ions into the cell.
question 3 options:
sodium
magnesium
calcium
carbon
the surface area-to-volume ratio of cells determines how quickly they can absorb materials. suppose that a space mission to planet zognard-42 uncovers giant cube-shaped single celled organisms living in an oxygen atmosphere. one species of cube-shaped organism is 2 cm on each side. another is 1 cm on each side. about how much faster will the smaller cube organism be able to absorb oxygen?
question 4 options:
they all absorb at the same rate.
2 times
3 times
6 times
cells are limited in size because
question 5 options:
they divided before they have a chance to grow.
they do not have enough vacuoles to store materials.
the cell membrane can't supply enough materials for a too large cell.
they are always in groups.
Answers: 3
Biology, 22.06.2019 10:30
In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.
Answers: 2
Biology, 22.06.2019 17:00
In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other
Answers: 1
Biology, 22.06.2019 19:50
What is genetic variation? -(a) each individual in a population has slightly different genes. -(b) some individuals in a population have more genes than others. -(c) each population of a species has slightly different genes. -(d)some populations of a species have more genes than others.
Answers: 1
Both the arctic fox and snowshoe rabbit have made species adaptations over time that enable them to...
Computers and Technology, 03.12.2019 02:31
Computers and Technology, 03.12.2019 02:31