What are the differences between hormonal system and nervous system?

Research the mutualistic relationship between clownfish and anemone. What kind of relationship do they have and describe how it works.

Which organs allow nutrients to be absorbed?

A student has obtained a sample of pond water for study. Using the high-power lens, he observes several cells with nuclei. He can conclude that the cells are NOT bacteria. True/False

A student observes a worm-like organism crawling about on dead organic matter. later, the organism sheds its outer covering. one possibility is that the organism is a larval insect (like a maggot).

Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water permeable (water cannot get inside). This waxy coating is which of the following types of organic molecule?

The main difference between deserts and steppes is the

What is the key element found in C02 and glucose

Nitrogen is made available in a useful form for animals in the A. fertilizers they absorb. B. plants they eat. C. air they breathe. D. rainwater they drink.

4. One advantage of biodiversity in an ecosystem is ... 1) guarantees that the largest organisms will dominate the area 2) ensures a large amount of identical genetic material 3) develops relationships between organisms that are always positive over

Which part of the brain consists of two hemispheres? what are some of the functions is controls?