C.3 IB Bio

What is an emergent property of cells?

• Being spherical

• Being water soluble

• Life

• Having mitochondria

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-4

Which of these at the highest level of organization?

• Fruit fly

• Liver

• Tree bark

• Hydrogen

Tags

NGSS.HS-LS1-2

Reflex arcs are useful as they are ______ than going through the CNS

Which is correct?

• grey matter = relay neurons, white matter = sensory neurons

• grey matter = sensory neurons, white matter = relay neurons

• grey matter = myelinated axons, white matter = cell bodies

• grey matter = cell bodies, white matter = myelinated axons

Which of these receptors are present in humans?

• Magnetoreceptors

• Baroreceptors

• Nociceptors

• Mechanoreceptors

Which gland releases melatonin?

• Pineal gland

• Hypothalamus

• Adrenal gland

• Thyroid gland

Roughly how long is one full cycle of the circadian rhythm?

• 12 hours

• 6 hours

• 168 hours

• 24 hours

A decrease in _____ intensity leads to an increase in melatonin release

Suprachiasmatic = "below chiasma"

• True

• False

Adrenaline triggers the fight or ______ response