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rewona [7]
3 years ago
15

Which are the oldest layers of rock?

Biology
1 answer:
Evgesh-ka [11]3 years ago
5 0

Answer:

Its the bottom because its located in the bottom

Explanation:

a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.

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By the year 1980, a wolf species ( Canis rufus) once common to the southeastern region of the United States disappeared from all
nataly862011 [7]

Answer: A. Extirpation

Explanation:

The term extirpation is also known as local extinction. It is situation whereby a particular species ceased to exist in an environment where it was once found, though it's existence is still observed elsewhere.

Extirpation maybe as a result of unfavorable environmental and human factors such as hunting, food scarcity and climate variation.

6 0
3 years ago
if a sponge was treated with a drug that specifically inhibited the activity of neuros and nothing else, what imoact would you p
Stels [109]

Sponges belong to the Phylum Porifera and hence are one of the most primitive organisms. The sponge would not be impacted by the drug.

Their bodies are asymmetrical. frame form can be cylindrical, vase-like, rounded or sac-like. they're diploblastic animals with layers, the outer dermal layer and the internal gastral layer. there's a gelatinous, non-cell mesoglea, in among these layers.

The phylum Porifera comprises the sponges. Sponges are simple invertebrate animals that live in aquatic habitats. despite the fact that the general public of sponges are marine, some species stay in freshwater lakes and streams.

Most sponges are hermaphroditic male and female cells exist in one animal and reproduce by using freeing spermatozoan into the water present day to be carried to other sponges, wherein they interact with eggs. Sponges also can reproduce.

Learn more about sponge here:-brainly.com/question/16524610

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3 0
1 year ago
Which of the following is a direct result of antidiuretic hormone?
ElenaW [278]

Answer: Option A.

Decreased urine volume.

Explanation:

The direct result of antidiuretic hormone is decreased urine volume because it is the hormone secreted by the hypothalamus of the the brain and stored pituitary gland which control blood pressure and make the kidneys to release less water, as little water is released by the kidneys, there will be little amount of urine produced.

This hormone reduce the urine volume or amount of urine produced.

7 0
3 years ago
Newborn human babies with lesser body weight are prone to infections. Heavier babies are difficult to deliver through the narrow
Anna11 [10]
It is a kind of Disruptive selection...

7 0
3 years ago
Number of chromosomes in new cells meiosis
insens350 [35]

Answer:

23

Explanation: By the end of meiosis, the resulting reproductive cells, or gametes, each have 23 genetically unique chromosomes. The overall process of meiosis produces four daughter cells from one single parent cell. Each daughter cell is haploid, because it has half the number of chromosomes as the original parent cell.

7 0
2 years ago
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