Arwa drew a diagram to compare sea stars and sea cucumbers.

Which label belongs in the area marked X?

have moveable spines

live in the ocean

have an endoskeleton

can push stomach outside of mouth

Convection currents within the Earth cause plate tectonics due to the movement of the mantle. T or F?

What was the greatest cause of weather-related fatalities in the united states in 2008? what was the greatest cause of weather-related fatalities in the united states in 2008?

Which of the following statements is FALSE? a. DNA replication proceeds in only one direction around the bacterial chromosome. b. Multiple replication forks are possible on a bacterial chromosome c.

Which organelle is most likely to be missing from the cells of a leaf? A. nucleus B. cytoplasm C. ribosome D. mitochondrion

What is at least one advantage of meosis

How is the Linnaean system of classification different from the phylogenetic system of classification

Why do arteries travel away from the heart?

Explain why the population of rabbits might decrease if the population of mice decreased

In flies, small wings (s) is recessive to normal wings (S). If a cross between two flies produces 8 small wing offspring and 26 normal wing offspring, what are the most likely genotypes of the parents

Based on an established plan of care, a nurse turns a patient every 2 hours. what part of the nursing process is the nurse using?