Cycads, conifers and flowering plants are all considered to be

A. vascular seed-forming plants.

B. vascular spore-forming plants.

C. non-vascular seed-forming plants.

D. non-vascular spore-forming plants.

Why do scientists refer to Charles Darwin's ideas about evolution as the theory of evolution? After numerous hypotheses were developed by Charles Darwin, they were collected together into a theory.

Which of the following is a principle of the fluid mosaic model of cell membrane structure? a. Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid chains. b.

What is a simple statement that predicts the result of a controlled scientific experiment? Question 1 options: Observation Hypothesis Conclusion Theory SaveWhat is a simple statement that predicts the result of a controlled scientific experiment?

What are some examples of phase change? Select all that apply. a. burning b. condensation c. vibrating d. freezing e. melting f. boiling

State two ways light influence terrestrial organisms

Select the best statement. Resource partitioning would be most likely to occur between A) sympatric populations of a predator and its prey. B. sympatric populations of a flowering plant and its specialized insect pollinator C.

What gases is contributing the most to causing global warming?

Heat and pressure act on a layer of sedimentary rock over millions of years. Which of the following features is most likely to develop on the rocks as a result?

A. En los animales, las células hijas haploides producidas por división meiótica se llaman

A diploid number of chromosome is reduced to a haploid number