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mezya [45]
3 years ago
8

(ASAP PLEASE) Dichotomous key of brewer’s yeast (saccharomyces cerevisiae) e. coli bacteria (escherichia coli) green hydra (hydr

a viridissima) house cat (felis catus)
Biology
1 answer:
Serjik [45]3 years ago
4 0

Answer:

Does the organism have legs?

Does the organism reproduce asexually?

Can the organism ferment?

Is the organism infectious?

Explanation:

The questions HAVE to be yes or no, in order for it to effectively determine which species is which.

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Which process most increases the amount of<br> phosphorus available for use in the ecosystem?
fgiga [73]
The overuse of fertilizers and over-enrichment with nutrients will lead to increasing the amount of phosphorus concentration in agricultural runoff.
4 0
2 years ago
One adaption to life in flowing water is what?
Alla [95]

Answer:

Explanation:

There are many options, here are a few choices:

Fast moving water tends to be colder than slow water; some of it originates as snow melt on the sides of mountains, for example. For this, animals in fast water tend to be more cold resistant. This is why you do not see fish like freshwater trout in equatorial regions. These animals struggle and die in slow, warm water.

Fast moving water means that if the animal or plant wants to stay put, it must resist the flow. Fish tend to be far more muscular and lean in these places, while insects like stoneflies, mayflies, and other larvae have ways to secure themselves to rocks and plants while growing. Plants develop strong root systems, and algae hold fast in rocky crevices in the river. Some animals also have suction in order to stay in place where there is fast flowing water.

Some animals have to adapt their reproductive systems as well. Because finding a mate is difficult in the sweeping waters, breeding tends to happen all at one time. As an example, salmon have runs, where thousands of fish all swim upriver at once to breed, can dramatically alter the surrounding ecology of the river. Insects like mayflies have hatches, where hundreds of thousands of flies swarm into the air at once to breed and lay eggs.

5 0
3 years ago
You are cooking macaroni and cheese and while pouring the pasta into the colander you splash scalding water on your arm. the are
Arada [10]

The burn can be classified as the partial-thickness second degree burn.

The symptoms of the second degree burns are sensitive wound base, painful blisters, the surface may be blanched on applying pressure, erythematous or fibrinous exudate is present.

In the given case, the person burns the hand with scalding water. The symptoms of the burn shows red area, pain, and blisters. These are the symptoms of the partial thickness second degree burn, which affects the epidermis and dermis.

7 0
2 years ago
Hey Guys! ^^ Here's A Question, Why does a dog circle around its bed before lying down?
Amiraneli [1.4K]

Answer:

it needs somewhere comforatible

Explanation:

When they circle around they need to get that space soft and then they will lay down

3 0
3 years ago
In humans, the trait for tongue rolling is dominant over the trait for the inability of a human to roll his/her tongue. If a het
MrMuchimi

50 percent of the offspring would be expected to have the ability to roll their tongues If a heterozygous male is crossed with a homozygous recessive female.

Explanation:

Information given:

the ability to roll tongue is dominant, the genotype would be RR, Rr

the inability to roll tongue is recessive trait the genotype = rr

Given that heterozygous male is crossed with homozygous recessive female, the genotype is

Rr X rr

Punnet square shows that:

    R    r

r   Rr  rr

r  Rr  rr    The genotype ratio is 1:1

                 phenotype ratio is 1:1

There are chances of 50 % offspring having the ability to roll their tongues as they are heterozygous and have the dominant allele for rolling of tongues.

8 0
3 years ago
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