The environments in which ferns grow range from standing water to very dry areas. Nonetheless, all ferns are dependent upon free water in order to complete their life cycles. Explain why this is the case
What will be an ideal response?
The flagellated sperm need a film of free water to swim down the archegonia to fertilize the egg cells.
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Adults who have children who have died from lethal recessive disorders are most likely
____________________. Fill in the blank(s) with the appropriate word(s).
A female with a paternal set of one orange and one long gene chromosome and a maternal set comprised of one blue and one short gene chromosome is expected to produce which of the following types of eggs after meiosis?
A) All eggs will have maternal types of gene combinations. B) All eggs will have paternal types of gene combinations. C) Half the eggs will have maternal and half will have paternal combinations. D) Each egg has a one-fourth chance of having either blue long, blue short, orange long, or orange short combinations.
Which of the following is the correct way to write the scientific name of the wolf?
A) canis Lupus B) Canis Lupus C) Canis lupus D) Canis lupus E) canis lupus
Certain organisms break down glucose in the absence of oxygen. This process is called ________
Fill in the blank(s) with correct word