If I tell you that A force that keeps species evolving increases the productivity and stability of ecosystems, and ask you the question "a force that keeps species what increases the productivity and stability of ecosystems?", is the correct answer "evolving"?

OPTIONS:
- Yes
- No

Answer: Yes

If I tell you that Salmon have a circulatory system with a two-chambered heart, and ask you the question "what has a circulatory system with a two-chambered heart?", is the correct answer "sharks"?

OPTIONS:
- Yes
- No

Answer: No

If I tell you that Water easily flows through sandy soils, and ask you the question "water easily flows through what?", is the correct answer "streams"?

OPTIONS:
- Yes
- No

Answer: No

If I tell you that A ruler can be used to measure something in meters, and ask you the question "what tool might measure something in meters?", is the correct answer "a scale"?

OPTIONS:
- Yes
- No

Answer:
No