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:
Answer: The Parietal lobe
:
Answer:
guanine, cytosine, cytosine,adenine,thymine,guanine
Explanation:
This is because during DNA replication the complementary base pairings are Adenine and Guanine, Thymine and Cytosine.
A Nutrients move through the ecosystem in biogeochemical cycles. A