Answer:
Energy does not cycle the way nutrients and atoms do. Energy enters the ecosystem from the Sun and exits after the organisms have taken as much as they need. Organisms release energy back into the biosphere as heat.
Answer:
Tibia, Fibula, Interosseous Membrane.
Explanation:
Tibialis posterior muscles originates from the proximal tibia and fibula. The medial origin is on the posterior surface of the interosseous membrane.
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: spore a single haploid cell (with genetic information from only one parent surrounded by a hard, outer wall.
Explanation: