What are four important ecosystem characteristics?

Which question would be asked in a dichotomous key? A. How long are the insect's antennae? B. Are the insect's antennae longer than its head? C. Are the insect's antennae long or short? D. How does the insect use its antennae?

Define oesophagus and state the functions of which it can do

Light year is the unit use to measure distance between two stars. True or False

If placed in a hypertonic solution, a plant cell will?

How many chromosome are present in daughter cells as compared to parent? meiosis and mitosis?

Availability of substitutes plays a role in determining the bargaining power of suppliers. a. True b. False

The semi fluid matrix that surrounds organelles in a cell is called the

Which of the following describes characteristics of the troposphere? A. has low air pressure, but high temperature B. temperature increases with altitude (the ozone layer absorbs sunlight) C.

What causes the global connection currents between the equator and the poles?

Look at the information presented in the table, above. Based on these results, which allele for each trait is a) dominant? b) recessive? What evidence supports your claim?