True or False Spores can be produced by some protists as a response to harsh conditions in their enviroment.

What is a benefit of multicellular organisms that is not shared by single-celled organisms? All cells in a multicellular organism can perform all metabolic functions, thus maximizing metabolism. Single-celled organisms can form tissues.

Flatworms have a concentration of nerve tissue and organs in one end of the body. what is the name of this characteristic,

The lagging strand is replicated with a series of okazaki fragments and that is why its synthesis is considered to be a. discontinuous. b. continuous. c. bidirectional. d. antiparallel. e. semiconservative.

Scuba divers often visit a coral reef off the coast of South Central America. There has been a great increase in tourism and diving in this area. Which best describes the effect this will have on the reef.

9. Tertiary consumers eat ... o A. primary producers o B. primary consumers O C. secondary consumers o D. quaternary consumers

A patient is suffering from polio, which is a viral disease. What treatment could have prevented the disease? The patient should have been vaccinated. Antibiotics should have been given to the patient.

Would a cell be able to function without a nucleus? why or why not?

Taste buds are found: a. on the tongue and the roof of the mouth. b. only on the tongue. c. on the tongue, lining the cheeks, and on the roof of the mouth. d. on the tongue and lining the cheeks.

Cancer cells are anaplastic in that they "form backward" to an earlier de-differentiated state. the cells have nuclei that vary in size and shape, termed ___.

Suppose a butterfly with 16 chromosomes is able to produce offspring. How many chromosomes would the offspring receive from each parent? A) 8 B) 10 C) 16 D) 32