What is believed to be the ancestral group to the animals?

a. Archaebacteria
b. Colonial protists
c. Bacteria
d. Flagellated fungi
e. Green algae


b

Biology & Microbiology

You might also like to view...

Enzymes used to insert a foreign gene into a plasmid include

(a) DNA ligase. (b) vectors. (c) restriction enzymes. (d) both a and c.

Biology & Microbiology

Which of the following is not normally considered a pathogenic species of Clostridium?

A. C. perfringens B. C. tetani C. C. acetobutylicum D. C. botulinum

Biology & Microbiology

What is the probability of flipping a penny and a nickel and obtaining one head and one tail?

What will be an ideal response?

Biology & Microbiology

What differentiates gram-positive bacteria from gram-negative bacteria?

A) Nutrient requirements B) The appearance of colonies C) The means of locomotion D) The use of oxygen E) The way the cell wall stains

Biology & Microbiology