Answer:
The answer is A. a tissue
Explanation:
Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.
Answer:
Argon
Explanation:
The element that has a complete valence electron shell is argon (Ar) since it is a noble gas in the last group on the periodic table. destinymitchell966
Answer: upwelling
Explanation: hope this helps you
Natural selection states that the most advantageous trait in a species will become more common in the population, and can even replace other non useful trait over time. That is evolution by natural selection. In the case of anteaters, these animals became better adapted to the environment by growing a longer snout to have better access to food (ants).
