Q: Q: What can be described as a tiny male gametophyte enclosed in a tough capsule?    Choices:  - seed  - cell  - dna  - grain of pollen  A:
A: grain of pollen


Q: Q: When gas particles collide, what kinds of collisions are these considered?    Choices:  - inelastic  - perfect  - conservative  - elastic  A:
A: elastic


Q: Q: Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what?    Choices:  - density  - volume  - altitude  - temperature  A:
A: temperature


Q: Q: At any specific time, the rate at which a reaction is proceeding is known as its what?    Choices:  - spontaneous rate  - immediate rate  - emitted rate  - instantaneous rate  A:
