The fusion of a sperm cell with two polar nuclei in the ovule forms the:a
cotyledon.
b. endosperm.
c. fertilized egg.
d. zygote.
e. embryo.
b
You might also like to view...
Using the table, which of the viruses has linear, single-stranded RNA?
a. herpesvirus
b. influenza virus
c. retrovirus
d. bacteriophages
The three types of neurons in the nervous system of humans are
A. interneurons, synaptic neurons, and neuroglia. B. synaptic neurons, motor neurons, and Schwann cells. C. sensory neurons, interneurons, and motor neurons. D. Schwann cells, sensory neurons, and neuroglia. E. synaptic neurons, motor neurons, and sensory neurons.
Which of the following color descriptions best describes the appearance of a sporangium with a developing prospore?
A) Green B) Pink C) Green surrounding pink D) Pink surrounding green
Stratification refers to the extended exposure to ________ that is required for some seeds to germinate.
A. high relative humidity B. low temperatures C. short daylengths D. long wavelengths of light E. clay soil particles