Which group of chordates does not possess true backbones?

A. Crocodilians

B. Lampreys

C. Birds

D. Frogs and toads

Would it be A.?

How are the energy and wavelength of electromagnetic radiation related?

Which organisms are prokaryotes a. Archaea b. Fungi c. Protist d. Plants

A microorganism is found in the lining of the human stomach. It has a flexible cell wall, no organelles and flagella. What is this organism

In Detail explain the process of DNA replication use scientific vocabulary

Dna is made of two chains of nucleotides. which type of bonds hold the chain together

The study of all ecosystems on Earth is called

the sun's gravity also affects tides on earth. why does the moon have a larger effect on tides than the sun does

14. Why are carbohydrates and fats considered high energy foods? A. They have a lot of oxygen atoms B. They have no nitrogen in their makeup C. They have very long carbon skeletons D. They have a lot of electrons associated with hydrogen E.

Of the following lines of flowering plants, which represents the line of evolution that is most closely related to other plant ancestors? Basal Angiosperms

What need to be recognized by the t cells on the antigen presenting cells before becoming fully activated?