The valve between the distal portion of the esophagus and the stomach is known as the ___ sphincter

Why must organisms compete for resources?

An igneous rock that has both large and small crystals has what type of texture?

What type of statement would the following be considered? "I'm not a Math person because I'm not smart enough." Growth Mindset Fixed Mindset

What must occur during the cell cycle to ensure proper division of the chromosomes?

1. harvesting : poaching :: a. ivory sales : CITES b. buying : stealing c. supply : demand d. traveling : ecotourism

I am living thing and i can carry out all life processes. what am i?

What happened to energy as it's passed through the food chain

A 37-year-old client of Native American/First Nations/Aboriginal descent visits the clinic for the first time. She is about 12 weeks pregnant, and this is her first pregnancy.

When changing lanes, you should: A. Adjust your speed to match traffic in the new lane B. Move over several lanes at once C. Wait until you're at an intersection to perform the maneuver

Which structure does this organism use for movement? a. cilia b. contractile vacuole c. flagella d. pseudopodia?