Q: Living species of chordates are classified into three major subphyla: vertebrata, urochordata, and what? A:
OPTIONS:
- spirogyra
- invertebrates
- xerophyte
- cephalochordata
cephalochordata

Q: The two parameters used to measure changes in ecosystems are resistance and what related factor? A:
OPTIONS:
- strength
- acceptability
- variation
- resilience

Answer: resilience

Question: Q: When this forms underground, volcanoes rise? A:
OPTIONS:
- pumice
- soil
- CO2
- magma
Answer: magma

input with options: Q: Momentum is directly related to both mass and? A:
OPTIONS:
- mass
- intensity
- speed
- velocity
output: velocity

Q: Q: What do you call the patterns and groups of stars in the sky that ancient people observed and made stories about? A:

OPTIONS:
- planets
- meteors
- asteroid fields
- constellations

A: constellations

Q: The nephron is the functional unit of what pair of organs? A:
OPTIONS:
- lungs
- eyes
- ribs
- kidneys
kidneys