Some embryos do not survive through to the fetal stage, which begins about two months after fertilization. When this happens, the mother is said to have had A) endometriosis. B) a miscarriage. C) a toxic shock. D) an implantation.

What is the definition of a 'host'?

Why is eating chicken better for the environment than eating beef? a. Per pound of meat, chicken provides many more calories. b. Per pound of meat, chicken provides many more nutrients. c. Chickens don't produce as much waste as cows. d.

Which one from the list below is made up of atoms. A) soda can B) flower pot C) game controller D) shark E) baby

Two species have a relationship with one another in an ecosystem. suppose one of these two species goes extinct. which type of relationship did the two have if the surviving species population increases after the other goes extinct?

Explain how the edges and corridors can strongly influence landscape biodiversity

A common element among all the river valley civilizations was: irrigation systems that moved water to crops and settlements developed plumbing systems developed written materials the worship of leaders as God's

A person's skin cells and eye cells make different types of proteins to perform their functions. What is the source of the instructions from which all of the proteins are made? (A) Genes (B) Mitochondria (C) Ribosomes (D) Gametes

Small masses of neuron cell bodies located outside the cns are called?

As hawkeye and the men neared the huron encampment, what signal did they agree to give in order to warn one another?

An organisms ability to maintain its proer condition