Does AWS ECS support per container dynamic scalability?

Amazon's EC2 Container Service allows you to run any amount of containers you want, it will choose an EC2 instance(s) to run the containers on automatically. Which are great features. However, we are really concerned about automatic scalability.

Scenario:

1. I launch a container via AWS ECS Console.


2. The HTTP requests are starting to come up.


3. The HTTP load increases significantly with time.


4. CPU (or RAM) usage of the container is getting closer to 100%.

Question 1: Will ECS run one more container automatically?

Question 2: Will ECS automatically shut one of the containers down when CPU (or RAM) load gets low?