Earthworms differ from most of the marine annelids in that earthworms

Fungal infections that travel through the bloodstream and affect the internal organs are called,

Which cells are responsible for creating water currents and capturing food in sponges?

The two layers of tissue in a hydra are

Instead of just telling students to “add a zero” when you multiply by ten or a multiply of ten, you take the time to have students experiment with multiplying by the base value in Grade 3 using chip boards and base blocks.  Hopefully, then when students are confronted with the polynomial multiplication of

In lab, your instructor gives you a plant and asks you to identify a tissue where the cells lack a nucleus. Which tissue will you identify?

Ascaris is considered to be a(n)

Which of the following infections is associated with a flatworm?

A group of m roommates went to the grocery store and spent $150.  Only one of the roommates likes the avocados they purchased at $2 each and will pay for them herself.  Additionally, all but one of the roommates purchased concert tickets for a total of $500.  In this context, what does the following expression mean if a represents the number of avocados purchased?

Which of the following is the correct sequence for the germination of the eudicot seed?