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3 years ago

Name the third trophic level in the food chain

Biology

1 answer:

mote1985 [20]3 years ago

7 0

Answer:

primary carnivores which is a cat

Explanation:

At the third level, primary carnivores, or meat eaters, eat the herbivores; and at the fourth level, secondary carnivores eat the primary carnivores.

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What are common features of El Niño and La Niña

Nataly [62]

Answer:

I think is

The Boy and The Girl

4 0

3 years ago

In chickens, the allele for a pea comb (A) is dominant to the allele for a single comb (a). A mother with the genotype Aa and a

zloy xaker [14]

Answer:

The percent chance that the offspring will have a single comb is $25$ %

Explanation:

Given,

The allele for single comb represented as "a" is recessive to the allele for pea comb represented as "A"

Genotype of male - Aa

Genotype of female - Aa

Gamete of Male - A, a

Gamete of female - A, a

Cross between Aa and Aa will produce

AA, Aa, Aa, aa

Thus, out of four offspring only one has "aa" genotype and hence this individual will express the recessive trait i,e aa

The percent chance that the offspring will have a single comb is

$\frac{1}{4} * 100\\$

$25$ %

4 0

3 years ago

During the inflammatory process the first thing that happens is

nalin [4]

Answer:

they release substances

Explanation:

also known as inflammatory mediators

6 0

3 years ago

How Light Bleaches Rhodopsin

OleMash [197]

Answer:

Salut!

Light enters the eye through the cornea.
Light travels to the macula within the retina.
Rhodopsin absorbs light, and the Vitamin A changes shape.
Vitamin A detaches from the rhodopsin, and some vitamin A is lost.
Vitamin A from the bloodstream replenishes what is lost. The vitamin A returns to its original shape.

Explanation:

Retina is the part of the eye that contains photosensitive cells that capture light and produce the electrical signals that the brain perceives as images. These photosensitive cells are of two kinds:

Rods
Cones

Rods contain the photosensitive pigment, rhodopsin that is needed for vision at night or in dim light. Cones function in bright light.

Rhodopsin Bleaching:

Vision in bright or excessive light requires a process called rhodopsin bleaching which is the degradation of rhodopsin upon exposure to light. Upon contact with light, rhodopsin goes through structural changes characterized by the conversion of a pigment derived from Vitamin A, 11-cis retinal to all trans retinal. This chemical conversion initiates a photo-transduction reaction (reaction in which a photon of light is converted into electrical signals) that produces the electrical signals that travel to the brain via the optic nerve. The brain converts the electrical signals to images. This is followed by rhodopsin regeneration in the dark in which all trans retinal is converted back into 11 cis retinal.

3 0

3 years ago

Think about what abiotic factors giraffes and trees both need to survive. The tree and the giraffe are competing over what facto

nikitadnepr [17]

I would say space or at least a place of home

7 0

3 years ago