Answer:
Explanation:Flora includes all organisms that may synthesize its food itself and are often immobile, they mainly comprise of all plants, trees, shrubs while fauna are categorised to be organisms that have to acquire meals and and are usually mobile and feed on other living organisms themselves.
Answer and Explanation:
<em>Cowbirds would be considered </em><em>an edge species</em><em>, meaning that these animals </em><em>need to live in an ecotone</em><em>. </em>
An ecotone is a transition area between two communities, or ecosystems. It is the zone of maximum interaction, and therefore with greater biological richness. The number of species is usually higher in adjacent areas, making it a meeting place for living organisms. The ecotone is usually associated with the "edge" term. The edge is the physical place where the two communities, or ecosystems meet.
The animals that live on the edge, are usually those that need two or more types of plant communities to live. In the case of the cowbird, they prefer to forage in open spaces such as grasslands, meadows, pastures and other places with short vegetation, where they can find food resources like seeds and invertebrates. They also need to lay their eggs in host nests that might be located in grasslands or forest edges over trees or shrubs where they might also roost.
The cowbirds are considered to be an edge species because they need two vegetable communities to live: open areas to feed in and forest edges to lay their eggs and roost.
During sperm penetration, human eggs are still surrounded by follicular cells.
Therefore, the correct answer is Option D.
<h3>What changes does egg undergo for fertilization?</h3>
- An egg goes through a few changes at the hour of sperm penetration during fertilization.
- These progressions happen at the cell surface, in development, physiology and gene expression.
- For fertilization, a sperm should combine with the cell membrane and afterward infiltrate the egg cells.
- Infiltration through the egg cell or extracellular matrix (ECM) is a troublesome task.
- The acrosome of the egg goes through acrosomal reaction to get through the hard shell of cell.
- To go through the follicle cells encompassing the egg or oocyte, the sperm discharges hyaluronidase enzyme.
- This chemical isn't delivered until the sperm comes into contact with the egg cell's zona pellucida.
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Answer:
The subscapular fossa is located on the anterior surface of the scapula.
Explanation: