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3 years ago

Which process carried out by a hydra is illustrated by the series of drawings below?

Biology

1 answer:

Verizon [17]3 years ago

8 0

The process pictured below, the hydra is reproducing trough budding.
Budding is an asexual way of reproducing which happens when there is intense cell division on one part of the organisms' body that turns into a bud, then detaches itself and becomes an independent organism.

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In horses, the allele for a black coat (B) is dominant over the allele for a brown coat (b). A cross between a black horse and a

GaryK [48]

Answer:

Bb X bb

Explanation:

It is given that the allele B for the black coat is dominant over allele b for a brown coat.

A dominant allele always leads to the expression of the dominant trait in the heterozygous condition.

When a black and brown horse is crossed as given in the question and the result is a brown foal, then the genotype of the brown foal must be bb as the brown coat is a recessive trait.

Since each parent contributes one allele each for a given gene, the black horse must have b allele, and hence must be heterozygous Bb.
The cross is shown in the punnett square.

4 0

3 years ago

Why can food chains

lana66690 [7]

Answer:

A. Because energy is lost at every level.

Explanation:

energy decreases as it travels from lower levels to upper levels--which is a logical observation you could make.

Think of it like this--if a fish eats a small organism, it will then spend some of the energy obtained from the organism swimming around--so when a larger fish eats our fish, the energy from the original organism will already be partially lost (from our fish swimming around).

This means that when this pattern continues over multiple levels, we keep losing energy--which limits the environment's capacity for organisms to survive.

Hope this helps, have a lovely day :)

3 0

2 years ago

On Long Island, New York, a population of wall lizards that originated from a group in Italy is present. Several had been import

Minchanka [31]

Answer:

Two terms might apply for this situation: "jump dispersion" and "human-assisted invasions".

Explanation:

Dispersion: It refers to the change in an organism's range or distribution area. Different ecological and biogeographical processes might be involved in organisms' dispersion. The term "jump dispersion" refers to a few individuals in a short time that can cross a barrier and occupy a new area. In this situation, the establishment is not always for sure. For this to happen, they must reproduce and start a new population of a certain size that can survive to the new conditions.

Biologic Invasions: It refers to new species that establish in a new area far or out of their original distribution range. Once established, these species might be considered exotic or invasive, according to their reproductive rate, population growth, and interaction with native species. Biologic invasions are natural processes, that occur in small groups of individuals that can expand to other ecosystems, and the appearing or despairing of barriers promotes their expansion. But these biologic invasions have accelerated by human beings, referring to this as "human-assisted invasions". These are the cases in which men transport species from one place to the other for different uses or purposes.

It is very common for these species to scape and start new populations in the new area, where they have less environmental pressure -fewer predators, more resources, better nitches- than in their origin area, which favors their establishment.

The exposed situation in the example is a case of "human-assisted invasions". It might also be considered as jump dispersion (because a few individuals of the species crossed a barrier and established in a new area) but assisted by humans.

4 0

3 years ago

Determine the dna sequence by analyzing the location of each nucleotide across the four lanes of the electrophoresis instrument.

kaheart [24]

The specific electrophoretic diagram required to determine the DNA sequence is not found here but this technique refers to Sanger sequencing.

<h3>What is Sanger sequencing?</h3>

Sanger sequencing is a technique used in molecular biology and genetics to determine the linear order of nucleotide bases in a given genomic sequence, which is fundamental to identifying alleles in a genome.

This technique (Sanger sequencing) is based on the use of certain analogous nucleotides that stop the process of amplification, which can be subsequently evidenced in an electrophoresis gel.

In conclusion, the specific electrophoretic diagram required to determine the DNA sequence is not found here but this technique refers to Sanger sequencing.

Learn more about Sanger sequencing here:

brainly.com/question/26101335

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6 0

2 years ago

Breeders use ______ To produce better crops and livestock

gizmo_the_mogwai [7]

Answer:

resourses

Explanation:

6 0

3 years ago

Read 2 more answers