Match the descriptions with the correct types of motor units. recruited last contains fast muscle fibers that use aerobic respiration contains muscle fibers used for routine movements contains muscle fibers with the lowest myoglobin content contains muscle fibers with the slowest contraction speed have slow and relatively weak contractions

a. type i

b. type iia

c. type iib

Which description provides the best objective summary of the article in the passage?

In "the pig," what is the main effect that the piglet initially has on kibuka?

What evidence could be used to convince policy makers to change a shipping lane from going through a whale breeding ground? information on the number of all whale species currently alive information on the number of all whales hit by boats in the given area information on the number of whale deaths in the world's oceans information on the number of whale offspring born every year. (a) scientists could collect and combine data on fish populations all around the world to show that their populations are declining. (b) scientists collect and combine data on fish populations all around the world to show that their populations are increasing. (c) scientists work together and use past data to show that fish populations are becoming locally extinct in some areas. (d) scientists work together and use past data to show that some fish populations are adapting to environmental changes.