Which morphological trait evolved more than once in animals

In a diploid cell with 5 chromosome pairs (2n = 10), how many centromeres will be found in a nucleus at g2 of the cell division cycle?

All of the following are greenhouse gases except water vapor carbon dioxide methane oxygen

After the mutation, The DNA sequence reads atcgttcatt. Which type of mutation occurred?

Resistance also influences total blood flow. resistance is defined as the amount of friction the blood experiences as it travels through the blood vessels. blood flow is always opposed by resistance.

How can you tell if a protist belongs to eubacteria or archaebacteria?

What's the function of rough er

Milo is observing the things around his family's farm. He writes down four different resources and whether he thinks they are renewable or nonrenewable. The table below shows his notes.

A baby born from a caesarian section (an operation where the baby is removed surgically from the abdomen instead of a vaginal birth) would result in:

What are body waves?

Which of these is NOT considered to be an organic substance? A) carbohydrates Eliminate B) lipids C) metals D) proteins