Explain why the embryo implants (attaches) itself to the uterus and not the fallopian tubes.

Example: The embryo must implant (attach itself) to the uterus and not the fallopian tubes because if it implants itself in the fallopian tubes (or oviduct) it will not be able to……...

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Describe how a student should adjust the microscope to see the cells on a slide more clearly?