Biology Answers

What is the proper organ sequence as an earthworm processes nutrients during digestion?

b. Mouth → esophagus → gizzard → crop → intestines → anus

d. Mouth → gizzard → crop → esophagus → intestines → anus

a. Mouth → esophagus → crop → gizzard → intestines → anus

c. Mouth → crop → esophagus → gizzard → intestines → anus

What are the two organ systems found in plants? *

b. Roots and stems

c. Roots and shoots

d. Stems and flowers

a. Leaves and flowers

Collenchyma are characterized by the presence of? *

a. elongated cells with deposits of cellulose and pectin all over the wall

d. isodiametric cells with thickening all over the cell

b. isodiametric cells with deposits of cellulose and pectin corners

c. elongated cells with thickening at the corners

Which of the following systems does the respiratory system depend on to function? *

a. Cardiovascular

c. urinary

d. digestive

b. Shoot

Which is the correct sequence of increasing organization? *

d. Organ, organism, tissue, cell

c. Atom, molecule, tissue, cell

b. Organelle, tissue, cell, organ

e. Cell, tissue, organ, organ system

a. Molecule, cell, organelle, organ

Skin, horns, hair, sweat glands and quills are all part of what organ system?*

a. nervous

b. respiratory

c. integumentary

d. digestive

How are root hair cells adapted to maximize water absorption? *

a. They have a large surface area

b. They have a small surface area

d. the guard cells become turgid.

c. They have a fully permeable membrane

An organ system is a _____. *

a. group of organs that work together to complete a set of functions

e. large cells that work together inside of an organism

d. a group of tissues that perform the same function

b. a group of organisms that work together to make a bigger organism

c. a group of tissues that perform the same function

Flowering plants have a root system that supplies _____ to the _____ system for it to complete photosynthesis. *

d. water, stem and leaf

a. water, shoot

c. carbon dioxide, stem

b. sunlight, shoot

A plant leaf is an organ. In what way is a human lung similar to a plant leaf? *

b. Both organs are made up of only one kind of cell.

a. Both organs make chemical energy.

d. Both organs exchange oxygen and carbon dioxide.

c. Both organs are made up of protective dermal tissue.

Plants contain xylem and phloem tissue. What organ system in animals performs a similar function as the xylem and phloem of plants? *

d. circulatory system

a. digestive system

b. excretory system

c. respiratory system

Which of these is a function of transpiration? *

c. To cool the leaves by evaporation

a. To carry sugar to the roots for storage as starch

d. To test the distance nutrients travel and water lost

b. to carry sucrose to the growing shoots

what are advantages and disadvantages to sexual reproduction