Describe how the laws of thermodynamics would impact the Earth were the sun’s light suddenly blocked
What will be an ideal response?
ANSWER: According to the first law of thermodynamics, the absence of incoming energy would limit
life on Earth to the energy already available. Photosynthesizers would die rapidly, while
consumers would last longer. However, the second law of thermodynamics tells us that
energy would be lost with each transformation (one organism eating another), so eventually
there would be insufficient amounts of energy on Earth to support life
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Which of the following is the main reason why pollen withstands decay much better than typical plant
parts?
a. hemicellulose b. sporopollenin c. lignin d. cellulose e. pectin
A larynx is found at the beginning of each insect trachea
Indicate whether the statement is true or false.
Choose the letter of the best match from the following:A. hypocotylB. endospermC. scutellumD. radicleE. epicotylThe part of the stem axis that extends above the cotyledons in some seedlings.
Fill in the blank(s) with the appropriate word(s).
__________________ is the specific term for the correspondence of chromosomal sections, with similar gene content and order, between different species
a. Homology b. Coalescence c. Paralogy d. Synteny e. Orthology