Which system of the body would be most directly affected if excess cholesterol led to plaque deposits in arteries? (a)  

• cardiovascular system
• immune system
• endocrine system
• respiratory syste

The cells represented in the diagram are involved in the learning process, short-term and long-term memory, and response to a stimulus. These cells are part of the – (a)  

• endocrine system
• skeletal system
• muscular system
• nervous system

Tags

NGSS.MS-LS1-3

Which structure in the digestive system is the first place that chemical digestion takes place? (a)  

• stomach
• mouth
• small intestine
• esophagus

Which receptors are responsible for humans' night vision? (a)  

• rods
• fovea centralis
• cones
• optic chiasma

Which of the following structures is an opening on the underside of a leaf that is necessary for gas exchange? (a)  

• stoma
• epidermis
• shoot
• cuticle

The outer single-layer group of cells covering a plant is the –

• vascular tissue

• cambium cells

• circulatory tissue

• epidermis

The plant structure that transports sugars down from leaves is – (a)  

• xylem
• phloem
• epidermis
• stomata

Which of these bests identifies the system that interrelates (a)  

• System A
• System B
• System C
• System D

Tags

NGSS.MS-LS1-3

What does aerobic and anaerobic cellular respiration have in common?

• Both are metabolic pathways by which cells obtain or use energy.

• Both require oxygen to break molecular bonds for ATP production.

• Both processes occur in all living organisms.

• Both produce relatively equal amounts of ATP.

Tags

NGSS.HS-LS2-3

Which of the following is a correct representation of the organizational levels of a biological system? (a)  

• A
• B
• C
• D