3. If carbon was the most common element found in the moons and planets, what element is

missing that would make them similar to Earth? Explain why. (Hint: Think about the carbon

cycle.)

1. A spider weaves a web. Is this an example of an innate or learned behavior? A. innate B. learned 2. A newborn foal stands up to nurse from its mother. Is this an example of an innate or learned behavior? A. innate B. learned 3.

Give an example of a circumstance for which the use of a scientific model would be practical. State and describe the type of model you would choose to use for the circumstance you give

Which organisms represent the most biomass in an ecosystem? 1) scavengers 2) secondary predators 3) herbivores 4) producers

Antibiotics can be used to treat

Overuse of chemical fertilizers has resulted in the growth of some lawns in which decomposers cannot live. this would interfere most directly with the ability of the lawn ecosystem to?

cnidaria is a phylum consisting mostly of marine, aquatic animals. What types of organisms are included in this phylum?

Mitosis is defined as division of a (n) ?

Which of the following best describes anabolic reactions? Reactions which break down complex molecules into simpler ones and release energy Reactions which involve a transfer of electrons between two species Energy-storing reactions which link

A scientist is planning to carry out an experiment on the effect of heat on the function of a certain enzyme which would not be an appropriate first step

What is another name for a Fossil fule?