Answer:
Pteridophytes are vascular plants but they do not produce flowers and seeds which mean their source of reproduction is unknown or hidden.
On the contrary, Spermatophytes as the name indicates, are seed bearing plants. They produced seeds and flowers. Examples are flowering plants, cactus, leather flower, buttercup and may more.
Explanation:
The answers is the symptoms can change with age
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Answer:
In the politics of representative democracies, a political machine is a political group in which an authoritative leader or small group command the support of a corps of supporters and businesses, who receive rewards for their efforts.
Explanation:
It would be harmed by chemicals in the environment. ... In binary fission, the two new cells that are formed are susceptible to the same antibiotic.