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Nataliya [291]
3 years ago
13

PLS HELP ILL GIVE YOU BRAINLIEST!!!!!

Biology
1 answer:
Pavel [41]3 years ago
7 0
The offspring inherited the dominant traits from the parent which made it automatically fully dominant. In DNA, dominant alleles mixed with recessive alleles will make 100% dominant offspring. The offspring inherited those chromosomes, which made the white trait not show up.
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6. Evaluate the different ways an animal can respond to stress.​
lina2011 [118]
An animal can respond in negative ways such as: biting, scratching, urinating, whining, restlessness, snippy, or getting sick.
3 0
3 years ago
Suggest how the reflex action of the eye to bright light is useful to the body.
ololo11 [35]
If a car of some sort is coming and they have their headlights on they could see to move out of the way that's partly why headlights were ceated

4 0
3 years ago
A nerve impulse from one neuron affects the activity of a neighboring neuron at a point of interaction called the:
tatyana61 [14]

Answer:

A nerve impulse from one neuron affects the activity of a neighboring neuron at a point of interaction called the: SYNAPSE

Explanation:

A NEURON(or nerve cell) has 3 parts:

1. The dendrites(multiple)

2. The axon

3. The cell body

A SYNAPSE is an area where the dendrites of one neuron communicates with the axon of another neuron.

At the synapse, nerve impulses are transmitted from one neuron to the other. This is possible through substances called NEUROTRANSMITTERS. There is no direct contact between the axon of one neuron and dendrites of another neuron.

4 0
3 years ago
Hermaphrodite, cellular respiration, invertebrate, medusae, metamorphosis, bilateral symmetry, coelomate, acoelomate1. an animal
givi [52]

Answer:

1. an animal without a body cavity acoelomate

2. condition in which the left side of an organism's body is a mirror image of the right side bilateral symmetry

3. a series of chemical reactions that break down sugars and produce energy cellular respiration

4. an animal with a fluid-filled body cavity that lies within the mesoderm coelomate

5. an animal that has both male and female reproductive organs Hermaphrodite

6. an animal without a backbone invertebrate

7. free-floating aquatic animals with a structure similar to a jellyfish medusae

8. the transformation of a larva to an adult; occurs only in animals having great differences in form between the larva and adult metamorphosis

Explanation:

Body cavity is a fluid-filled space inside a multicellular organism  with the protective role. The coelom is the main body cavity, found in allmost all animals. Those that don't have coelom are called acoelomata. An example are Platyhelminthes.

Symmetry refers to the proportion of an animal: its reflection, rotation or scaling. The body symmetry of animals might be radial, bilateral, spherical or asymmetric.

Two major group of animals are Vertebrate and Invertebrate, with or without with backbone.

Hermaphrodite organisms are those that contain both, male and female reproductive organs, characteristic for invertebrates.

7 0
3 years ago
What is an example of a density dependent factor
enyata [817]

Answer:

In nature, limiting factors affecting population sizes include how much food and/or shelter is available, as well as other density-dependent factors. Density-dependent factors are not relevant to populations that are below "carrying capacity," (i.e., how much life a habitat can support) but they start to have to become noticeable as populations reach and exceed that limit. The degree of control imposed by a density-dependent factor correlates to population size such that the effect of the limitation will be more pronounced as population increases. Density-dependent factors include competition, predation, parasitism and disease.

Competition

Habitats are limited by space and resource availability, and can only support up to a certain number of organisms before reaching their carrying capacity. Once a population exceeds that capacity, organisms must struggle against one another to obtain scarce resources. Competition in natural populations can take many forms. Animal communities compete for food and water sources whereas plant communities compete for soil nutrients and access to sunlight. Animals also vie for space in which to nest, roost, hibernate, or raise young, as well as for mating rights.

Predation

Many populations are limited by predation; predator and prey populations tend to cycle together, with the predator population lagging somewhat behind the prey population. The classic examples of this are the hare and the lynx: as the hare population increases, the lynx has more to eat and so the lynx population can increase. The increased lynx population results in more predatory pressure on the hare population, which then declines. The drop in food availability in turn causes a drop in the predator population. Thus, both of these populations are influenced by predation as a density-dependent factor.

Parasitism

When organisms are densely populated, they can easily transmit internal and external parasites to one another through contact with skin and bodily fluids. Parasites thrive in densely packed host populations, but if the parasite is too virulent then it will begin to decimate the host population. A decline in the host population will in turn reduce the parasite population because greater distance between host organisms will make transmission by more difficult.

Disease

Disease is spread quickly through densely packed populations due to how close organisms are to one another. Populations that rarely come into contact with one another are less likely to share bacteria, viruses and fungi. Much like the host-parasite relationship, it is beneficial to the disease not to kill off its host population because that makes it more difficult to for the disease to survive.

7 0
2 years ago
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