Island species are particularly vulnerable to extinction for all of the following reasons except
A. humans have altered habitats.
B. island species have lost the ability to escape predators.
C. humans have introduced competitors.
D. humans have introduced diseases.
E. fewer endemic species are found on islands.
E. fewer endemic species are found on islands.
You might also like to view...
Organisms from all classifications of life are composed of cells
A. true B. false
Fats are emulsified by _____, which is secreted into the small intestine
a. pepsin b. chymotrypsin c. amylase d. bile
What did comparing the sequence of the mitochondrial genome in trypanosomes with the sequence of mature mitochondrial RNAs demonstrate?
A) The RNA sequences are similar to the genome sequence, but have insertions and deletions of uracil residues. B) The RNA sequences align perfectly with the genomic DNA from which it is transcribed. C) All of the proteins necessary for translation are encoded in the mitochondrial genome. D) Translation is initiated in mitochondria only at AUG codons. E) Some mature RNAs do not have start and stop codons.
What are the four classes of large organic molecules important to life on Earth?
A) Carbohydrates, lipids, proteins, and enzymes B) Carbohydrates, lipids, proteins, and sugars C) Carbohydrates, proteins, nucleic acids, and sugars D) Carbohydrates, proteins, lipids, and nucleic acids