The australopithecus lineage went extinct аbout:

Ocean dumping is a source of pollution for

Which part of a reflex arc connects the effector to the spinal cord? The sensory neuron The motor neuron The receptor The reflexor I think it is the motor neuron, but I am not sure.

What determines an atom's chemical properties? A. the number of protons in its outermost shell B. the number of electrons in its outermost shell C. the number of neutrons in its nucleus D. the number of electrons in its nucleus

If one gram of each of the following were eaten as food, identify which would yield the most energy within the cell

Do sea stars have jointed appendages

Which of the following energy forms is not involved in hitting a tennis ball? a. kinetic energy e gravitational potential energy b. chemical potential energy d. elastic potential energy tantial energy is that

Which tool enhances weather forecasts by enabling monitoring, which is necessary for predicting global weather and environmental events? map satellite weather balloon automated weather station

What are the only kind of cells that mitosis cannot create/duplicate?

Define adaptation as a change that improves the change of survival for a species in a specific environment

The figure shows an energy pyramid for an ecosystem. What happens to the amount of energy in the pyramid as it moves up through the different levels?