Ecology 1 (Focus Notes 2-A)

What is NOT a limit of your body?

• The longevity of the atoms that make your body
• The body's dependence on water replenishment
• The lifespan of your body
• The strength of the body's bones

What is NOT a characteristic of life?

• All organisms have a brain
• All organisms reproduce
• All organisms have cells
• All organisms contain a genetic code made of DNA (RNA)

Life is rarely connected to other life.

• True
• False

Life has no limits.

• True
• False

Which is NOT a limit for life?

• Water
• Nutrients
• Other nearby life
• Pretty much everything is a limit to life

Which is NOT a characteristic of all life?

• As a group, life changes over time
• Life uses materials and energy
• Life grows and develops
• Life is conscious and self-aware

Over the long term, why does life not run out of energy?

• Most of the energy of the Sun is here for 5 billion years
• Most of life doesn't need energy to survive
• Life requires so little energy to survive
• Because the vast majority of life are consumers/heterotrophs

An ecosystem is based on ___.

• producers
• consumers

What cycles between producers and consumers?

• Nutrients
• Energy
• DNA
• Love

What cycles between the atmosphere and the land/ocean?

• Water
• Carbon
• Phosphorous
• Two answers are correct