What type of organism would appear at the "bottom" of a food web

Which are examples of negative feedback? check all that apply. a child whose thymus gland is building an immune system that gets stronger each day when someone's adrenal gland reacts to a scary movie by secreting hormones that make the heart beat

At which life-cycle stage are stars most stable?

Answer these questions. Imagine three cities in the desert, all at about the same altitude and latitude. One city (A) is surrounded by a dark-colored rocky surface. Another city (B) is surrounded by a light-colored sandy surface.

M=2450kg V=72km/h Ek=?

The two waves in the diagram are occupying the same place at the same time. At what time will the interfering waves have an amplitude of zero? 1.0 3.0 4.0

How are electric circuits and systems for carrying water in building similar

A girl scout is pulling her 30 kg wagon of cookies with a force of 60 N to right. Friction pulls back with a force of 15 N left. What is net force on the wagon

10. A bullet is moving at a speed of 367 m/s when it embeds into a lump of moist clay. The bullet penetrates a foe and comes to a stop at a distance of 0.0621m. Determine the acceleration of the bullet while moving into the clay.

What are the units for mass and volume

A car traveling with constant speed travels 150km in 7200s. What is the speed of the car