Both capsules and endospores..
a. are created in harsh conditions
b. are a method of protection
c. look like a halo
d. are stained green
b. are a method of protection
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The largest viruses known are the ________.
A. adenoviruses B. mimiviruses C. hepadnaviruses D. herpesviruses
In a certain plant, when individuals with blue flowers
are crossed with individuals with blue flowers, only blue flowers are produced. Plants with red flowers crossed with plants with red flowers sometimes produce only red flowers, although other times they produce either red or blue flowers. When plants with red flowers are crossed with plants with blue flowers, sometimes only red flowers are produced; other times either red or blue flowers are produced. Which gene is dominant? What will be an ideal response?
Gross primary productivity refers to the total
a. quantity of solar energy available to the ecosystem in a given period of time. b. quantity of solar energy reaching a given area of the ecosystem. c. energy trapped initially by the producers. d. energy used by the heterotrophs of the ecosystem in a given period of time. e. energy used by the producers for their growth and reproduction.
Tanya eats a vegan diet, which means that she does not eat any animal products. What would be a good source of calcium for Tanya?
A) spinach B) cheese C) nuts D) whole grains