How do parents pass their chromosomes to their offspring?
What will be an ideal response?
Ans: Each parent contributes 23 chromosomes through the sperm and ova to create matched pairs in the zygote.
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When a national park (located at twenty inches above sea level) is initially submerged, how
much would you expect the temperature to have increased?
a. 0.8 degrees Celsius b. 1.0 degrees Celsius c. 1.5 degrees Celsius d. 2.0 degrees Celsius
A flower displaying which characteristic is unlikely to encourage pollination by bees?
a. open during daylight b. tubular shape c. bright red petals d. strong aroma
Plant hormones known as __________ stimulate mitosis
a. gametophytes b. kinesin and dynein c. cytokinins d. colchicines e. kinetochores
How does climate change affect earth's oceans?
A. The pH level of the ocean will shift to a more basic environment, leading to a decrease in overall productivity. B. As levels of carbon in the atmosphere increase, the amount of carbon in the ocean decreases proportionately. C. The pH level of the ocean will shift to a more acidic environment, leading to stress and the possible extinction of many species of shellfish and corals. D. Excess carbon in the atmosphere is absorbed by the ocean, which directly increases ocean temperature.