The preserved remains or physical evidence of an organism that lived in the past are called -

a. evolutionary features
b. fossils
c. mutations
d. variations


Answer: b. fossils

Biology & Microbiology

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Which of the following is NOT true concerning homologous chromosomes?

a. There are two of each kind. b. Each parent contributes one of each homologous pair. c. Most homologous chromosomes carry the same genes for the same traits. d. The number of homologous chromosomes is doubled in each generation. e. Homologous chromosomes pair up during early meiosis.

Biology & Microbiology

Most of the oxygen in the blood is transported

A) by white blood cells. B) in the plasma. C) as bicarbonate ions. D) bound to hemoglobin. E) combined with carbon dioxide.

Biology & Microbiology

Compare and contrast slime molds and water molds

What will be an ideal response?

Biology & Microbiology

Restriction enzymes are obtained from ________.

A) archaea B) eukaryotes C) viruses D) bacteria

Biology & Microbiology