Living Environment Question Preview (ID: 37822)
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Which sequence best represents increasing complexity?
a) tissues → cells → organelles → organs
b) cells → organelles → organs → organism
c) cells → organelles → organs → organism
d) organism → cells → tissues → organelles
The cytoplasm in a single-celled organism and the circulatory system in a human both
a) break down molecules into smaller components
b) release energy to be used by the organism
c) transport substances throughout the organism
d) distribute blood to all of the parts of the organism
A hydrangea plant has blue flowers when grown in acidic soil, but has pink flowers when grown in basic soil. A clone of the pink-flowered plant is grown in acidic soil and produces blue flowers. This change in flower color is most likely due
a) sexual reproduction in the plants, resulting in variation
b) asexual reproduction in the plants, resulting in variation
c) genes being expressed in different ways due to environmental conditions
d) a gene mutation that occurred after the clone was produced
A normal sequence of DNA bases in a single human skin cell is CATGGC. If this sequence replicates in this cell and becomes GATGGC, this alteration will most likely be passed to
a) every cell that develops from it
b) all human body cells
c) offspring of the human
d) all skin cells of this person
Information in segments of human DNA can be expressed by a bacterial cell as a result of
a) sexual reproduction
b) random mutation
c) genetic variability
d) genetic engineering
Natural selection and its evolutionary consequences provide a scientific explanation for
a) the fossil record of ancient life-forms
b) predictions about the rate of global warming
c) the amount of precipitation in a rain forest
d) the amount of soil used to grow certain crops
Photosynthesis and respiration are alike in that they both
a) require the Sun as a direct source of energy
b) result in the production of glucose molecules
c) require specific catalysts
d) occur within mitochondria
The reproductive cycle in females is regulated primarily by
a) estrogen and testosterone
b) estrogen and progesterone
c) progesterone and insulin
d) progesterone and testosterone
One function of the male reproductive system in mammals is to
a) produce insulin necessary for sexual reproduction
b) transport eggs necessary for fertilization
c) allow for delivery of gametes needed for reproduction
d) provide protection for the developing zygote
A zygote develops into a multicellular organism through
a) mitosis and specialization
b) mitosis and meiosis
c) recombination and communication
d) genetic engineering and natural selection
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