Of the following four species, which one lies closest to modern humans?
A) Homo neanderthalensis B) Homo ergaster
C) Homo habilis D) Homo erectus
Answer: A
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Which of the following plants both parasitizes other plants and performs photosynthesis?
a. snow plant b. lady-of-the-night orchid c. mistletoe d. cobra lily e. dodder
Heartworms (Dirofilaria immitis) are a type of roundworm that live in and obtain nutrients from the tissues of dogs. These invertebrates affect the function of the dog's circulatory system in a way that can lead to the dog's death. Which term best describes the relationship between heartworms and dogs?
a) mutualism b) predation c) parasitism d) competition
Carbon dioxide is considered a waste product of cellular respiration
Indicate whether the statement is true or false
In eukaryotes, which three factors appear to encourage the specific association of RNA polymerase(s) to a specific region of DNA?
What will be an ideal response?