A recently published study focuses on the factors that affect the life cycle of the sex-changing sheephead fish (semicossyphus pulcher) in the Santa Barbra channel. Sheephead fish are born female, and morph into males at various stages. in which level of biological organization has this study been involved a. Organism
b. Population
c. Ecosystem
d. Biosphere
e. Community

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Turtle hatchling survivorship rate is low in many turtle species due to predation. amanda researched the predatory rate on a species of turtle eggs in the red river. the eggs were harvested from trapped turtles and the egg's cloaca film (reproductive discharge) was either washed off or left on once gathered. research suggests that predators use the female's cloaca scent to locate the eggs. the eggs were only handled when wearing gloves and then reburied along islands where the turtles were trapped. the nests were monitored by cameras and manually on foot and data on nest predation were recorded. a. based on the experimental design, what is the dependent variable? b. based on the experimental design, what is the independent variable? c. based on the experimental design, what is the control?

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?