What species are dragonflies are mostly closely related to

What happens to biomass as energy travels up the food chain?

Identify how the deletion of a single nitrogen base in DNA can cause a harmful mutation in an organism. A. Deletion causes chromosomes to join the wrong chromosome. B.

Which characteristics describe deep ocean currents? Check all that apply. -move slowly caused by wind -move cold water -move in a circular pattern -caused by differences in density

Why do we only have fossils of a fraction of the things that have existed on Earth? O A. Many environments destroy fossils over time. OB. Only mammals can become fossilized. O C. Fossils can only form during a warm period. O D.

When a car air bag inflated sodium azide (NaN3) decompose and produces nitrogen gas (N2) and another product. What element dose the other product contain? How do you know?

The period of cell growth and development between moronic division is called?

Where does the overwhelming amount of seismic activity occur on the earth?

Treatment for a patient with congestive heart failure and shortness of breath may include

Sea corals live exclusively in the ocean and are radially symmetrical. They have microscopic stinging barbs that shoot out to immobilize their prey. This allows corals to hunt even while they are stuck to the ocean floor.

Global warming is slowly melting the polar ice caps and glaciers, which are made up of freshwater. Marine organisms in which of the following zones of the ocean are going to be most affected by this process?