After fertilization in flowering plants, an embryo in a seed
a. begins as a gametophyte and ends up as a sporophyte before germination.
b. is always a sporophyte.
c. is usually a gametophyte but can be a sporophyte.
d. begins as a sporophyte and ends up as a gametophyte before germination.
e. is always a gametophyte.
B
You might also like to view...
In a zygotic life cycle:
A. Haploid cells form gametes that fuse to produce thick-walled diploid zygotes capable of surviving stressful conditions. B. There is an alternation of generations. C. The zygote undergoes meiosis and produces many heat-resistant spores that increase the population size and aid in dispersal. D. Haploid cells form spores that in turn fuse to produce thick-walled zygotes capable of surviving stressful conditions. E. none of the choices provided.
Scientists expect water enriched with 137 Cs to reach the west coast of North America by 2015-2020 due _____
a. rising sea levels b. prevailing winds c. drifting kelp forests d. air currents e. deep marine currents
After a routine urinalysis, you get a report back from the lab. This report flags any abnormal values. For each of the values, indicate whether the test result is normal or abnormal
For any test results that are abnormal, speculate on what might have caused the abnormal value. Tested for: Result: Is this normal or abnormal? If abnormal, what might be causing the problem? Glucose Absent Bacteria Present pH 3.0 Protein Elevated
Errors in meiosis, called ________, can affect the number of sex chromosomes or autosomes in a gamete
Fill in the blank(s) with correct word