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3 years ago

@BoodleBag Explain how the law of conservation of energy is obeyed in a food chain.

1 answer:

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Bacteria and algae convert solar energy into organic energy. Consumers ingest live plants and prey. Decomposers, such as mold and mushrooms, break down and use energy from organisms. Fungi, like mushrooms, absorb nutrients from the organisms by secreting enzymes to break up the chemical compounds that make up dead plants and animals.

Energy transfers, and the Second Law of Thermodynamics is applicable in this circumstance greatly.

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In pea plants, smooth (S) peas are dominant over wrinkled (s) peas in the single gene controlling pea texture. A plant with smoo

OlgaM077 [116]

Answer:

Ss and ss

Explanation:

Since the smooth trait (S) is dominant over the wrinkle trait (s), the genotype of the wrinkled pea parent is definitely ss.

Also, some of the progeny had wrinkled pea texture (ss). Each of the 2 wrinkled alleles must have been donated by each of the parent. It thus means that the smooth pea parent is heterozygous for the trait (Ss).

Now, let us look at a cross between the two parents;

Ss x ss

Progeny: Ss, Ss, ss, ss.

Phenotypically, 50% of the progeny are smooth peas while 50% are wrinkled.

Looking at the population of each of the phenotype resulting from the cross. 252:247 is approximately a 50:50 ratio.

Hence, the genotypes of the two parents are Ss and ss.

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2 years ago

Which statement is true of both mitochondria and chloroplasts?

PIT_PIT [208]

Answer:

They are both part of the endomembrane system

8 0

2 years ago

The waste products of cellular respiration include ______.water and glucosewater onlycarbon dioxide onlyglucose onlywater and ca

Alex17521 [72]

The waste products of cellular respiration include water and carbon dioxide.

7 0

2 years ago

Why is the study of fish and fish farming important in the study of animal science?

arlik [135]

Explanation:

Pisciulture is the scientific study of rearing fish...

3 0

2 years ago

Read 2 more answers

Neville has low blood pressure and his pituitary started producing a homorone to maintain water balance his blood pressure event

ivanzaharov [21]

Answer: The options are missing in the question,the options are;

A) Positive feedback will stop the release of this hormone.

B) Positive feedback will speed up the release of this hormone.

C) Negative feedback will speed up the release of this hormone.

D) Negative feedback will stop the release of this hormone.

The correct answer to the question is option D

NEGATIVE FEEDBACK WILL STOP THE RELEASE OF THIS HORMONE.

Explanation: The hormone the will be produced is known as Antidiuretic hormone (ADH).it is otherwise known as VASOPRESSIN.It is secreted by the posterior lobe of the pituitary gland.

The main effect of Antidiuretic hormone is to reduce urine output,(diuresis is the production of large amount of urine). Antidiuretic hormone acts in the distal convulated tubules and the collecting ducts of the nephrons of the kidneys,it increases their permeability to water and more of the glomerular filtrate is reabsorbed. Antidiuretic hormone secretion is determined by the osmotic pressure of the blood circulating to the osmoreceptors in the hypothalamus.

As osmotic pressure rises,for example as a result of dehydration, secretion of Antidiuretic hormone increases. With this,there is Increased reabsorption of water reducing the amount of urine produced.This implies that more water is retained in the body making the rise in the osmotic pressure of the blood to be low,for example,after a large fluid intake, secretion of Antidiuretic hormone is reduced,less water is reabsorbed and more urine is produced.

At high concentrations,for example after severe blood loss, antidiuretic hormone causes smooth muscle contraction, especially vasoconstriction in small arteries.this has a pressor effect,raising systemic blood pressure.

5 0

3 years ago