Most of the body features found in invertebrates evolved during which of the following

periods?

1 Jurassic 2 Cambrian 3 Cretaceous and 4 Permian

Photosynthesis continues to increase with temperature

Which of the following is the female reproductive structure of the flower? A-anther B-pollen grain C-sepal D-carpel

The frequency of carriers for a rare autosomal recessive genetic condition is 0.04 in a population. assuming this population is in hardy-weinberg equilibrium, what is the allele frequency of the recessive allele?

The process by which all blood cells are formed in the bone marrow

If Tyler does not eat a diet that includes essential amino acids, his cells would not be able to build

Seals and penguins both have streamlined body forms that allow them to move through water efficiently. this similarity in body shape is mostly likely the result of:

Scientists then used microscopes to develop which of the following major scientific theories? A. The theory of thermodynamics B. The cell theory C. The theory of plate tectonics D. The big bang theory

Who was the first person to look at living cells using a microscope

What organelle is most specialized?

What is the body of a sponge is covered with many small opening?