In an attempt to control aphids that are destroying his plums, a farmer in Iowa imports a colony of Asian ladybugs that feast on the aphids. The Asian ladybugs are not eaten by the local bird populations
The Asian ladybug population multiplies quickly, displaces the local ladybugs, eliminates the aphids, and begins to eat other local insects. The Asian ladybug
A) is responsible for habitat fragmentation in the plum orchard.
B) is a threatened species.
C) is increasing the biodiversity of the orchard.
D) is being overexploited.
E) qualifies as an invasive species.
E
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A potato is a type of __________ known as a ___________
A) Modified root, pneumatophore B) Root, lateral root C) Modified stem, stolon D) Modified stem, tuber
If you were to penetrate through the epidermal
layer of a root, you would next encounter the
a. xylem. b. endodermis. c. cortex. d. phloem. e. pith.
What are the four stages of food processing, ordered from beginning to end?
A. Ingestion, digestion, absorption, elimination B. Ingestion, digestion, elimination, absorption C. Digestion, ingestion, absorption, elimination D. Digestion, absorption, ingestion, elimination
Sperms and eggs are produced by ..... Division .
A. Binary fission B . Meiosis C. Budding D. Mitosis E. Asexual Division