Which of the following traits is only found in vertebrates?

a. a highly developed nervous system and internal skeleton

b. a major function to obtain food and oxygen for energy

c. multi-cellular bodies

d. internal conditions are kept in balance

How are the physical and compositional layer related to each other

Pros and cons of artificial selection with genetics

What statement BEST describes sound? A) It's a form of work. B) It's a type of force. C) It's a form of energy. D) It's a type of acceleration. Submit

All organisms need energy. what are the two most common ways that they can get it?

2. Describe adaptations of pioneer species.

Two services the geosphere provides for living organisms?

Which statement best describes the term symbolism A. A writer says one thing but means something else. B. A writer compares one element to another using the words like or as • A writer uses an object to resent significant ideas or qualities. D.

The capacity of stm does not change during early childhood (false).

Darwin visited the Galapagos Islands while on a journey aboard the Beagle. Which observation led Darwin to start thinking about evolution?

Atlantic halibut is a species of flatfish that uses gills to extract dissolved gases from water for cellular respiration. During a storm, a population of halibut is carried down into a deeper layer of the ocean.