Regions of similar ecosystems are called

Which of the following is common to both eukaryotic and prokaryotic cells?

What procedures are at the core of the scientific method

Dichotomous keys ask A. open-ended questions about animal behavior. B. open-ended questions about easily observable characteristics. C. yes-or-no questions about animal behavior. D. yes-or-no questions about easily observable characteristics.

3. Define sister chromatids?

A recombinant DNA molecule is produced by

How are currents in the Pacific Ocean affected by El Niño? Currents travel more slowly. Rip currents are frequently formed. All currents become deep ocean currents. Warm water moves to the east instead of to the west.

Which statement accurately describes Darwin's experience on the Beagle? A. He had a eureka moment and understood how species evolve. B. He recognized the significance of each species he observed. C.

How are hydrogen bonds different from covalent bonds? A) The atoms in hydrogen bonds have valence electrons B) The compounds that result from hydrogen bonds contains carbon C) Covalent bonds are organic D) Hydrogen bonds are weaker than covalent

What would your superhero element look like? iron man.

Which ratios would indicate linkage and not independent assortment? Check all that apply. A) 8:8:0: 0 B) 9:3:3:1 C) 12:2:2:1