How does the structure of cardiac muscle help it perform its function? Its spindle-shaped cells allow it to do smooth movements.

Its discs allow it to coordinate movement with other cells.

Its multinucleated cells allow it to trigger involuntary actions.

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Which sets of mrna codons could genetically come for a protein with the following amino acid composition

Which of the following best explains the changes in biodiversity shown in the graph?