Which of the following supports the theory of evolution?

a. homologous structures

b. geographic distribution of organisms

c. embryonic stages of development

d. all of the above

How much does a gallon of blood weigh in pounds?

What are the types of metamorphic rocks

Where do you get the elements you need for survival

Scientists have worked on the structure of DNA and one of their revelations is the antiparallel arrangement of DNA strands. Which of the following explanations does not go in accordance with the above statement?

What are the main atoms of a protein molecule

C. Which specific biomolecule (lipid, protein, nucleic acid, carbohydrate) is each food mostly made of?

1. In the list above, circle the word that means what a scientist changes in an experiment.

What is a sentence using Active Transport?

The wind-chill effect refers to the fact that exposure to a cold environment can cause frostbite. a. True b. False

The anther is supported by?