Which of the following is just fossilized calcareous algae?

a. a coprolite

b. an ostracod

c. an ammonite

d. a stromatolite

What does the carbon cycle have to do with organic compounds

Which of the following organisms does not have a cell wall? a. plant b. human c. bacteria d. fungi

An embryo grows into a multicellular organism made of a wide variety of cell types. How does the variation in cell types occur? A. Each type of specialized cell produces another type in an ordered sequence. B.

3 different types of cells

A lack of proteins controlling the cell cycle can cause

Which describes the scientific view's order of earth's first living things to the most recent? A. cyanobacteria, hagfish, crocodilians, giant ground sloths B. cyanobacteria, crocodilians, hagfish, giant ground sloths C. cyanobacteria.

At what stage of mitosis does the cell grow and make copies of its hereditary material

A landform that has high elevation and a more or less level surface is a ...

Which of the following contain only prokaryotes? A) Domains Bacteria and Eukarya B) Domains Archaea and Bacteria C) Only Domany Eukarya D) Domains Archaea and Eukarya

The word below is the scientific name of a species of protists that causes algal blooms. Which of the following answer choices best represents the bolded word in the scientific name below? Karenia brevis class species kingdom genus