Which is most likely a vestigial structure?

A. An ape's thumb

B. A dolphin's flipper

C. A whale's pelvis

D. A rabbit's fluffy tail

How many days does it take for the moon to rotate once on it's axis

What is a limiting nutrients

Which of the following is regarded as a density-independent factor in the growth of natural populations? a) emigrationb) intra-specific competitionc) predationd) inter-specific competitione) flooding

In 1866, Gregor Mendel published his paper that described the research that led to his discovery of the laws of inheritance. More than 30 years later, his results were finally confirmed by Hugo de Vries and Carl Correns.

5. How does vegetation allow greater infiltration?

Statistics about the climate in a tundra ecosystem were collected for 30 years. which hypothesis about a population of caribou could be made based on the climate data collected? a. caribou calf survival is directly related to annual rainfall amounts.

Since plant cells do not have centrioles, how do they make spindle fibers during mitosis?

Plants use sunlight to produce some ATP during photosynthesis. How do plants produce ATP when the Sun is not out? a. Plants are secondary consumers. b. Plants also use cellular respiration. c. Plants extract ATP from the stars. d.

Describe 4 ways that we know the global climate is changing

What does each individual node in a cladogram represent