Secondary growth in woody plants greatly increases the amount of ________

a. primary xylem and phloem
b. vascular cambium
c. epidermis
d. secondary xylem and phloem


d

Biology & Microbiology

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The same basic internal organs (kidneys, stomach, heart, lungs) are found in frogs, birds, snakes, and rodents. This is primarily an example of _____

A) structural homology B) developmental homology C) genetic correlation D) inheritance of acquired characteristics

Biology & Microbiology

When defining terrestrial biomes, which of the following information is most useful?

a. chemical resources of the soil b. average temperature and rainfall c. salinity of the water d. average energy available e. number of animal species present

Biology & Microbiology

If the mother has (chlamydia/syphilis/yaws) at the time of birth, the pathogen can infect the newborn's eyes and may cause blindness.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Infected animals shed Leptospira interrogans in their

A. blood. B. urine. C. saliva. D. respiratory secretions. E. feces.

Biology & Microbiology