Question

Which explanation regarding major scientific evidences supports the theory that modern organisms all share a common ancestry?

continuity of homeostatic mechanisms
specific adaptations that fit the environment excretion of the same nitrogenous waste for all organisms
existence of both osmoregulators and osmoconformers

Answer 1

@leonardo0430 @Joel_the_boss @iGreen @ikram002p

Answer 2

B? specific adaptations that fit the environment

Answer 3

Which of the following predicts how amphibians use a negative feedback mechanism to maintain their internal environment during cold weather?

Their blood vessels dilate to minimize heat loss to their surroundings.
Their cells decrease in mitochondrial activity to reduce energy use.
They orient their bodies to maximize surface area exposed to the sun.
They undergo thermogenesis by metabolizing brown fat.

Answer 4

B again?

Answer 5

@rose21 @confluxepic @marylou004 @sweetburger @blackops2luvr

Answer 6

I was thinking A or B.

Answer 7

@MafHater

Answer 8

Analyze the following data regarding natural selection and identify which evidence is NOT used to explain why responses to information and communication of information can give some members of a species an advantage over other members.

data showing that phototropism in plants leads to differentiated growth
evidence that bees huddle together during periods of extreme temperature variation research that shows hibernation is triggered by environmental cues
statistics that show weak members of a species fail to produce offspring

Answer 9

@confluxepic On Which of the following predicts how amphibians use a negative feedback mechanism to maintain their internal environment during cold weather?