The food chain in a visual representation of how energy is flowed through out a specific environment. While it is very similar to the food web, the main difference is that the web gives a more broad wide range of organisms and it is more specific with what eats what. The second part of your question about a few animals roles umm... Grass is a producer which has the role of feeding primary consumers, it is the base of the chain or web without it the whole thing would collapse. Tertiary consumers such as owls have the role of eating secondary consumers. I always thought of it like the tertiary consumers are population control since nothing eats them they have no responsibility to feed other organisms just make sure that secondary consumers don't overpopulate.
When an ophthalmologist uses an ophthalmoscope to look into your eye he sees the following view of the retina
In the center of the retina is the optic nerve, a circular to oval white area measuring about 2 x 1.5 mm across. From the center of the optic nerve radiates the major blood vessels of the retina. Approximately 17 degrees (4.5-5 mm), or two and half disc diameters to the left of the disc, can be seen the slightly oval-shaped, blood vessel-free reddish spot, the fovea, which is at the center of the area known as the macula by ophthalmologists.
Answer:
5 sense organs
Explanation:
Sense organs are the specialized organs composed of sensory neurons, which help us to perceive and respond to our surroundings. There are five sense organs – eyes, ears, nose, tongue, and skin. What are the Olfactory Organs?
Answer:
Genotype.
Explanation:
The allelic makeup that is responsible for a particular phenotype displayed by an individual.
True
Explanation:
Besides using fossils, a geologist who needs to correlate two rock formation in different areas can use key beds for his work.
Key beds are very distinct layers that has a large geographical range.
- Correlation is the process of matching rock sequences across different terrains.
- This is usually done using index fossils and key beds.
- Key beds are good indicators of homogeneity in an area.
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Fossils brainly.com/question/12790206
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