This is a muscular tube through which food passes, aided by peristaltic contractions, from the pharynx to the stomach.

What is the definition of mitosis

Many molecules are moved through the body by what? A. carbohydrates B. lipids C. nucleic acids D. proteins

The way you look and the way you behave is a combination of your genes and your environment

Give 8 Differences each between immunization and immunity Anyone that answers I will mark the person as brilliant

How do the characteristics of living things contribute to an organism's survival?

Some have cell walls with lipopolysaccharide. a. Archaea b. Bacteria c. Both Archaea and Bacteria

Which is NOT a negative consequence of acid rain? A) damages plants and trees B) kills fish and amphibians C) gives soil a better pH for growing crops D) chemical weathering of buildings and concrete

Which of the following must exist in a population before natural selection can act upon that population? A. genetic variation among individuals B. variation among individuals caused by environmental factors C.

What do rabbits like to eat?

5) Nerves and blood vesselsthat service a muscle fiber arelocated in the connectivetissues of itsA) myofibrils. B) sarcolemma. C) sarcomere. D) endomysium. E) perimysium.