Which characteristics are common to all archaea and bacteria

A.

live in other organisms

B.

exhibit identical biochemical makeup

C.

have cell walls

D.

have a single circular chromosome

The horseshoe crab looks very similar to its fossil ancestor from the Jurassic era. Why has the horseshoe crab not evolved? Its original form always remained well adapted to its environment. The species was affected by natural selection.

Impacts on hydrosphere and atmosphere?

How do ocean currents affect weather

Distinguish between the colonial flagellate hypothesis and the compartmentalization hypothesis explaining the evolution of multicellularity

Which of these vessels returns blood to the left atrium of the heart?

Give an example of stabilizing selection using body size of lizards

When a cell divides into two identical cells, what are these cells called

Live cultures of bacillus thuringiensis (dipel) and b. subtilis (kodiak) are sold as pesticides. what bacterial structures make it possible to package and sell these bacteria? for what purpose is each product used?

1. Extracellular calcium enters the axon terminal, triggering the exocytosis of acetylcholine. 2. Acetylcholine is removed by acetylcholinesterase. 3. Acetylcholine binds to receptors and depolarizes the postsynaptic membrane. 4.

What is the function of the waxy, transparent top layer of leaves? A. It produces glucose. B. It releases oxygen. C. It absorbs light energy. D. It prevents water evaporation.