Organs are made of a series of tissues that work together to perform a similar function the heart is the major organ belonging to its larger organ system. what type of tissue is the heart made of

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Can a trait be both polygenic and have multiple alleles? explain why or why not.

Explain what is meant by a river’s load, and describe how the load is carried.