When people exercise, their body cells build up more waste quickly. which two body systems work
together to remove these wastes from their cells?
(1) immune and endocrine (3) respiratory and circulatory
(2) digestive and skeletal (4) circulatory and digestive

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

What best describes emerging scientific ideas

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?