semester exam 2: part 2

Question 1

An organism in its earliest stages of growth.

Answer 1

embryo

Question 2

An animal that has hair and feeds milk to its young.

Answer 2

mammal

Question 3

An embryo that has all of its body systems.

Answer 3

fetus

Question 4

An animal that does not have a backbone.

Answer 4

invertebrate

Question 5

The changes in appearance and lifestyle that occur between the young and the adult stages.

Answer 5

metamorphosis

Question 6

A tiny filter unit of the kidney.

Answer 6

nephron

Question 7

Body system made up of proteins, cells, and tissues that identify and defend the body against foreign chemicals and organisms.

Answer 7

immune

Question 8

A group of organs that work together to do a certain job.

Answer 8

organ system

Question 9

An animal whose body controls and regulates its temperature by controlling the internal hear it produces.

Answer 9

endotherm

Question 10

The body system made up of small glands that make chemicals that carry messages through the body.

Answer 10

endocrine

Question 11

An anglosperm with one seed leaf.

Answer 11

monocot

Question 12

The reproductive structure of an angiosperm.

Answer 12

flower

Question 13

A sheetlike muscle that separates the inside of your chest from the intestines and other organs.

Answer 13

diaphragm

Question 14

A skeleton on the inside of the body.

Answer 14

endoskeleton

Question 15

The skeleton on the outside of the body.

Answer 15

exoskeleton

Question 16

The death of a section of the heart muscle.

Answer 16

heart attack

Question 17

The membrane that vibrates at the end of the ear canal.

Answer 17

eardrum

Question 18

The outside layer of cells of an organism.

Answer 18

epidermis

Question 19

The female sex organs that produce eggs.

Answer 19

ovaries

Question 20

The changing of food into a usable form.

Answer 20

digestion