D. Lets go to the gym together, you pick the activity.
Answer:
an organism tends to maintain stability while adjusting to conditions that are best for its survival.
Explanation:
There is proof of it. Such as fossils, records, videos, etc. Dinosaurs and Thylacines for example. Both of these have been extinct for quite some time. Although there is footage of some Thylacines there isn't any of any Dinosaurs. However, there is fossils and bones found from Dinosaurs. There has been fossils from many extinct animals dating back millions of years, therefore proving its a common event through history.
The thing that contributes to the current epidemic of sexually transmitted infections is unprotected sex.
Answer:
Muscle endurance
Explanation:
Endurance means practicing something to build up resistance.
