A species becomes extinct when

a. Its Ecosystem is disturbed

b. Its Geographical Range Is Limited

c. All Its populations die

d. One population dies

What are 3 adaptations that frogs have to make them amphibians

Which level of organization in the classification system is directly above the class level? Domain Family Kingdom Phylum

Which scatterplot shows a lack of a trend between the x-axis data and y-axis data?

Which is not correctly paired concerning parasympathetic outflow? which is not correctly paired concerning parasympathetic outflow?

How are acids and bases different? how do their pH values differ?

Which of these processes must precede fertilization?

The science dealing with body structures and functions is called A. physiology B. cytology C. anatomy D. histology E. anatomy and physiology

Which factors affect the movement of ocean currents? Select three correct answer

What happens when a dendritic cell detects a pathogen? Select one: a. the dendritic cell secretes antibodies b. the dendritic cell will produce immunoglobin c. the dendritic cell consumes the pathogen by phagocytosis d.

When and how does the amount of DNA (c-content; where c isthe quantity of DNA in a haploid genome) in a cell's nucleus changein the course of the cell cycle?