He wanted to observe cells in the fish's eye, but he saw nothing. Explain why.

How does detergent, or liquid dish soap, break open the cell membranes and nuclear membrane?

In scientific times people classified plants and animals by use.

topic related to air travel would most likely be studied by a biologist?

It is possible to consciously control the rate and depth of respiration. a. True b. False

Which principle was used to gather evidence that led to the big bang theory? A. Doppler shift B. radiocarbon dating C. first law of thermodynamics D. law of gravity

Which of the following accurately describes a cause for a change in blood flow? •Consistent exercise strengthen the heart so that it doesn't have to work as hard so blood pressure is increased.

What the number 0.4% of 82.1

Dna is said to control all of the cells structure and function. how does it accomplish this?

Which kingdom represents both multi & unicellular organisms?

Which of the following lists the parts of a reflex are in the corret order? A) receptor, sensory neuron, interneuron, motor neuron, effector B) receptor, effector, sensory neuron, interneuron, motor neuron C) receptor, sensory neuron, effector,