What factor made evolution more very slowly for the first two billion years of life on earth?

Flowers usually contain more stamen than pistols why do you think this

A large glucose molecule requires facilitated diffusion but an oxygen molecule does not. what is the question talking about? a. cell wall b. permiable membrane c. a cloroplast d. a semipermiable membrane

DNA is only located in the

Explain the method of passive transport that moves molecules across the plasma membrane of a cell

What are 3 non examples of a mineral?

What type of mutations do scientists look for in a molecular clock

What is the Law of Conservation of Energy? Question 10 options: Energy cannot be created, but can be destroyed as it transforms. Energy can be created and destroyed as it converts to other forms.

In humans, brown eyes are dominant to blue eyes. if a blue-eyed man has children with a brown-eyed woman whose mother has blue eyes, what percentage of the brown-eyed offspring do you expect will be heterozygous?

What percentage of sheep had a body height of 1.2 meters or more 30 years ago? How does it differ from the present data? Does this data support your argument regarding the type of selection occurring?

Where are the enzymes for digestion of disaccharides and small polypeptides located?