During which step of mitosis do the chromatids line up in the middle of the cell? A. prophase B. telophase C. anaphase D. metaphase

Modern humans evolve directly from champs true or false

Which statement best describes an activity that will contribute to the maintenance of homeostasis in an organism? 1. A shark swims toward a high polluted region of the ocean. 2. A desert rattlesnake enters an underground burrow on a hot summer day.

ODO 10 15 18 G 22 23 24 26 22 29 30 31 37 1) Is the dog above a male or female? Male 2) What is the diploid number of dog chromosomes? 3) What is the haploid dog chromosome number?

In protostomes, Group of answer choices there is no body cavity. there is no ectoderm. the opening formed during gastrulation becomes the mouth. there is no endoderm. the opening formed during gastrulation becomes the anus.

Michael, 25 years old, has had mitral valve regurgitation since age four, after having rheumatic fever. michael is planning to go to his dentist to have his teeth cleaned.

Why is it important to keep our water supply clean give 3 sentences?

From 2010 to 2011 the percentage of electricity generated from burning coal fell, while the percentage of renewable energy sources such as solar and hydroelectric went up.

When you chew food are you causing physical or chemical changes to the food

Which characteristic makes legumes a good food source for food-insecure populations? A. They are a source of protein. B. They are a source of fermented sugars. C. They are a source of cereal. D. They are a source of starchy carbohydrates

Why do scientists divide the planets into inner and outer planets