What do all complex organisms start life as

During seed production, which part of a flowering plant develops into a seed?

Name the only eukaryote lineage that has some species that have undergone tertiary endosymbiosis.

Mutation may occur in gametes or in body cells. In which cell type is a mutation likely to be source of genetic variation for?

Apparent magnitude is a. the brightness of a star compared to our sun b. the brightness of a star as it appears from the Earth without the effect of the atmosphere c. the brightness of a star as it appears during the day d.

If decomposers were added to an energy pyramid that contains producers, primary consumers, and secondary consumers, which trophic level or levels would be affected?

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