L.1 Quiz #2

Where do many of the basic life functions take place in organisms?

• brain

• cells

• heart

• nerves

The heart, blood vessels, kidneys, and bladder working together are BEST described as ...

• a cell.

• a tissue.

• an organism.

• a system.

Scientists found a new species of a complex organism at the bottom of the ocean. The organism MOST likely...

• is unicellular.

• is a form of bacteria.

• is made of multiple cells.

• lacks an organized nucleus.

The smallest unit of a plant that can perform all of the processes of life is the...

• leaf.

• cell.

• tissue.

• root.

Which of the following indicates the correct representation of the levels of organization in living systems?

• ecosystems -> organs -> organisms -> tissues -> cells -> organ systems

• tissues -> cells -> organ systems -> organisms -> organs -> ecosystems

• organisms -> tissues -> organ systems -> cells -> organs -> ecosystems

• cells -> tissues -> organs -> organ systems -> organisms -> ecosystems

Which structures refers to a group of specialized cells that all perform the same function?

• virus

• tissue

• organ

• nucleus

The human body has different levels of organization. In the structural organization of the central nervous system, which is an organ?

• brain

• grey matter

• nerve

• neuron

Agnes learned that the brain, spinal cord, and nerves work together. What do they combine to form?

• a cell

• a tissue

• an organ

• a system

There are many different types of living cells on Earth. Which of these characteristics do all living cells have in common?

• require water for survival

• require silicon for structural support

• require oxygen for respiration

• require sunlight for photosynthesis

The nervous system is composed of cells, tissues, and organs. Which is a cell of the nervous system?

• brain

• spinal cord

• ganglion

• neuron