Which of the following is NOT a characteristic of animals?

(1) All animals have a definite shape.

(2) All animals are many-celled.

(3) All animals use energy.

(4) The cells of all animals have nuclei and organelles.

A scientist plans to find out the cause of decrease in bird population in a location. He interviews 50 people who work in the local oil mine and 45 of them believe that the mine does not affect the birds.

How did gravity create our galaxy?

Which of these processes occurs when you inhale? A. The diaphragm expands and thoracic volume decreases. B. The diaphragm contracts and thoracic volume decreases. C. The diaphragm expands and thoracic volume increases. D.

Ovoviviparous species are distinguished by what trait? Ovoviviparous species are distinguished by what trait? Offspring are nourished via a placenta prior to live birth. Offspring receive nourishment from the male parent.

Best examples for biodiversity

Explain how the use of a chemical designed to kill grasshoppers could reduce the population of peregrine falcons.

The movement of water is able to transport minerals and nutrients. Which statement best explains why water is able to do this? A. Water is an excellent solvent. B. Water absorbs heat energy. C. Water has a density of one gram per milliliter. D.

Maintains a constant body temperature even when external temperature changes external temperature sets the internal temperature internal temperature constantly changes A. endotherm B. ectotherm C. poikilotherm

Which of the following statements regarding the control of C. botulinum in canned sauerkraut is not correct? a. salt in the sauerkraut inhibits the growth of C. botulinum bacteria b. an acidic pH (less than 4.

What are some careers involving animals? I want to become a vet, but are there other options?