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Ivan
3 years ago
14

What is a digestive system

Biology
2 answers:
Wittaler [7]3 years ago
5 0
The digestive system is the group of organ that convert food to energy.
Inga [223]3 years ago
4 0
A digestive system is a part of the body that processes food into energy

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Why do organisms die if they don’t have enough water
Alla [95]
The transfers of most cells require water and if the body dosent have enough it will shut down
7 0
3 years ago
Treatment of dividing cells with a low dose of the antifungal drug benomyl, which destabilizes microtubules, slows down correct
lilavasa [31]

Answer:

The answer is letter A.

Explanation:

A loss-of-function mutant in the gene encoding Mad2.

3 0
3 years ago
Northern flickers are woodpeckers of the eastern United States. Males, but not females, have black feathers that resemble a mous
jek_recluse [69]

Answer:

This suggests that the moustache is a releaser for aggression.

Explanation:

<em>Fixed action patterns</em> are instinctive programmed responses in different species that are triggered by a specific external sensory stimulus. These stimuli are called sign stimuli or releaser. When the sign occurs, the animal starts a sequence of acts in response to the stimulus and continuous until the series of actions is completed.

The black feathers resembling a mustache in a <em>Northern flickers</em> male are an external sensory stimulus. This trait that can provoke another male to respond aggressively, as a f<em>ixed action pattern</em>.  

This trait might be considered as an <em>unconditioned stimulus</em>, which <em>provokes an unlearned or reflex reaction</em>. These aggressive responses are triggered by reflex.

7 0
3 years ago
Rabbits, turtles, fish, humans, and whales all share certain characteristics but also differ from each other. All of these speci
Delvig [45]

<u>The levels of organisation are</u>

Domain: Eukarya

Kingdom Animalia

Phylum :Chordata

Explanation:

They all share these levels of organisation because;

<u>for  the Domain Eukarya, they have;</u>

→multi-cellular cells containing   nucleus; and  other membrane bound organelle.e.g Mitochondrial.

→their  DNA located in the   nucleus  packaged as linear chromosomes bounded by histone proteins.

→mode of reproduction which is  sexual.

They share Kingdom Animalia because;

→they have multi-cellular, specialised cells, bounded by plasma membranes.

→they have specialized  tissues, organs, and system.

→they all undergo <u>heterotrophic mode of nutrition</u> <u>as evident in the question 'that they must consume plants and animals as source of energy'</u>

<u>→they exchanged communication by nervous ssytem and </u>

<u>→ use homeostatic mechanisms to regulate water balance of the body through the kidney.</u>

<u>→Humans,Rabbits,and whales are</u><u> VIVIPAROUS; they give birth to young ones alive.</u>

→Most fishes lay eggs to reproduce, they are said to be <u>Ovoviviparous.</u>

<u>They belong to phylum Chordata because ;</u>

<u>→they  all have noto chord;</u> which serve as template for axial skeleton.

<u>dorsal hollow nerve cord </u>-template for the brain and spinal cord

<u>→pharyngeal slits- </u>templates for gill aches in bony fishes and components of inner ear in land animals.

<u>→ tail</u> length varies  in these organisms.

8 0
3 years ago
Which process is most likely to result in a gene providing antibiotic resistance to be found in a viral genome
Lina20 [59]

Answer:

<em><u>There are two important types of genetic mechanisms that can give rise to antibiotic resistance: mutation and acquisition of new genetic material. In the case of mutation, the rate at which resistance develops can be attributed to the rate at which bacteria mutate.</u></em>

3 0
2 years ago
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