In an ecosystem, which component is not recycled

> water

>energy

>oxygen

>carbon

Which of the following best compares bryophytes and pteridophytes? Bryophytes are nonvascular plants, and pteridophytes are seedless vascular plants. Bryophytes are seedless vascular plants, and pteridophytes are gymnosperms.

12) DNA and RNA differ in all BUT one of the following ways. A) DNA is double-stranded, while RNA is single stranded. B) RNA uses the sugar ribose in its backbone, while DNA uses deoxyribose.

Which area of the digestive system removes water? mouth esophagus liver large intestine

It is classified in the kingdom Protista. What is the most likely reason this organism is NOT classified in the kingdom Plantae?

Which arteries and veins are involved in pulmonary circulation?

The nurse prepares to teach an adolescent scheduled for an appendectomy about what to expect. the adolescent says, "i would rather look this up on the internet." the nurse should:

Which of a cell's organelles releases energy stored in food?

A scientist examines a fruit fly gene involved in the regulation of body development

The rate of metabolism is regulated by which hormone? A. PTH B. Aldosterone C. Thyroxin D. Calcitonin

Which systems does your skeletal system coordinate with to allow you to move?