The process whereby the embryo embeds within the lining of the uterus is called _________________
Fill in the blank(s) with the appropriate word(s)
Answer: Implantation
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Diffusion is slow over distances of a few millimeters, making it an unsuitable mechanism by which large animals
exchange gases and nutrients between the external and internal environments.
Indicate whether the statement is true or false.When (+) and (-) strains of the Zygomycete Rhizopus stolonifer meet, ________
a. they each release haploid spores which fuse to form a diploid mycelium b. they cannot mate because they are incompatible strains c. their hyphae fuse to form a diploid zygospore d. they compete for available resources
Research by Harrison and van Buuren illustrates how mycorrhizae can reduce the need for applying
a. nitrogen fertilizer to crops. b. potassium fertilizer to crops. c. phosphorus fertilizer to crops. d. nitrogen fixing plants to soils. e. nitrogen fixing bacteria to soils.
Amniotes differ from amphibians by
a. their size. b. possession of lungs. c. internal fertilization. d. laying of eggs. e. being tetrapods