Water and nutrients are constantly being recycled through the environment. This process through which water or a chemical element is continuously recycled in an ecosystem
Answer:
What causes new alleles to appear are mutations and gene flow but mostly mutations.
Explanation:
Answer:
Fern spores are unable to resist prolonged dry conditions.
Explanation:
Ferns are the vascular plants that reproduce by the formation of spores. Ferns are commonly not found in deserts but mostly inhabit swamps, marshes, moist woodlands. Ferns form spores in sporangia and bursting of sporangia discharge spores. These spores are not able to withstand the dry conditions for a long time and die under a prolonged scarcity of water. Ferns also use water as a transport medium to transport the sperms to the neck of an archegonium.
It's Herbivores because herb means plant.
The cell's genetic material, contained in chromosomes within the cell nucleus and mitochondria. ... A chromosome contains many genes. A gene is a segment of DNA that provides the code to construct a protein. The DNA molecule is a long, coiled double helix that resembles a spiral staircase.