Which of the following is true regarding photosynthetic cells?

a) they are heterotrophic

b) they are autotrophic

c) they are only bacterial cells

d) the photosynthetic organelle can only be seen under an electron microscope

What are common depths for experienced scuba divers?

Why is Uranus sometimes called the sideways planet

Which of the following is likely to be a pioneer species? Select one: a. shrub b. grass c. lichen d. mature trees

How would you explain why ice floats to a child?

What (if anything) can be inferred about whether the common ancestor of each of the three major bilaterian clades had a true coelom?

In humans a gene that has been identifoef as causing a type of skin cancer is the

Which one of the "big 3" macronutrients is the most calorically dense at 9 calories per gram?

What happened at Chernobyl? (first to answer this will be marked as the brainliest)

2 cycles most closely related in their role in sustaining life

Which statement explains the difference between multiple alleles and polygenic inheritance? A. Multiple allele means more than one gene contributes to the phenotype and polygenic inheritance means more than two forms of the same gene in the