Organisms that cannot make their own food and must obtain energy from the foods they eat are called
a) autotrophs.
b) heterotrophs.
c) thylakoids.
d) plants.
Ans: b) heterotrophs.
You might also like to view...
Deduce why viruses are excluded from the ribosomal RNA-based tree of life
A) Some viruses contain multiple strands of RNA. B) Their genetic elements cannot be sequenced. C) They can infect other organisms, which complicates the genetic comparisons. D) They lack ribosomal RNA.
Four of the following features are important evolutionary advancements in the evolution of the tree-dwelling primates
Which one is the exception? a. grasping hands and feet b. depth perception c. well-developed sense of smell d. the ability to see in 3D e. a large brain relative to body size
__________ can reveal the order of nucleotide bases in a fragment of DNA. Fill in the blank(s) with the appropriate word(s)
What event accompanies energy absorption by chlorophyll (or other pigment molecules of the antenna complex)?
A) ATP is synthesized from the energy absorbed. B) A carboxylation reaction of the Calvin cycle occurs. C) Electrons are stripped from NADPH. D) An electron is excited.