Which group of animals evolved first? A. echinoderms B. chordates C. flatworms D. cnidarians

Which contributes to the greenhouse effect? A. moving tectonic plates C B. warming water during El Niño C. burning organic matter D. eroding rocks and soil

Which sequence correctly depicts the development of offspring? zygote ® fetus ® embryo ® blastocyst blastocyst ® embryo ® fetus ® zygote fetus ® embryo ® blastocyst ® zygote zygote ® blastocyst ® embryo ® fetus

Cells differentiate because they need to become specialized. Which is an NOT example below of how specialized cells have unique structure and function.

What happens due to coral reef damage by El Niño? a. The ocean water gets warmer. b. Fish that depend on the reef die. c. The ocean water gets cooler. d. The reef supports more diversity of life.

How can a lack of water affect the cell functions

Which polymers provide plants with their genetic traits? A). Proteins B). Lipids C). Nucleic Acid D). Starches I attempted question once, so answer is not lipids.

Which country has the most species of butterflies

Which characteristic makes fungi similar to plants? Both fungi and plants are autotrophic organisms. Both fungi and plants have vascular tissue. Both fungi and plants have cell walls of chitin. Both fungi and plants can grow in soil.

How do plants atrract flies or possums for pollination

Suppose a bolt of lightning starts a fire in a forest. The fire sweeps through the forest and burns away accumulations of brush and deadwood. What is the most likely effect of the fire on the forest community?