Which group of protists are unicellular, biflagellate stramenopiles that forms a significant portion of the nanoplankton?

Sharks that are ____ incubate their eggs within the mother’s body.

What is the proper name for #23 on the figure below.

What is the purpose of the “wing” on a pine seed?  

The diverse body plans seen in Animalia apparently developed during the:

(blue)

Name the most familiar division of gymnosperms

What is the proper name for #25 on the figure below.

Name a feature of female gametophyte in seed plants.

A true body cavity completely surrounded by ____ is called a coelom.