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3 years ago

From where do most producers get energy?

2 answers:

5 0

Producers get the most energy from the sun . They get some food from decomposers but the sun is their main energy source

OlgaM077 [116]3 years ago

3 0

Answer:

Energy is the ability to do work. ... The energy of the sun is first captured by producers (Figure below), organisms that can make their own food. Many producers make their own food through the process of photosynthesis. The "food" the producers make is the sugar, glucose.

Explanation:

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In what ways has poland suffered because of its lack of natural barriers

nikitadnepr [17]

<span>The region of Poland has suffered from the few limits of European states with respect to the international politics of the 20th century. The variations of the borders of Poland is due to the absence of natural barriers in the east-west. The extension of the border is the cause of constant changes in stability that have shaken the country and the inhabitants.</span>

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4 years ago

Read 2 more answers

This is a wetland food web. When the organisms you see here die, they become food for ____________, which help recycle matter ba

Lady bird [3.3K]

B decomposers

Explanation:

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3 years ago

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Avian snail kites are visual predators, preying on light-colored apple snails. Avian limpkins are tactile predators, preferentia

quester [9]

Answer:

<em>The correct options are D. dark-colored, small-sized snails and F. dark-colored, large-sized snails</em>

Explanation:

Evolutionary studies show that those organisms are able to survive and reproduce which are better adapted to live in an environment. Gradually, the organisms that are better adapted to live in an environment increase in number and those that are not better adapted will decrease in population.

As Avian snail kites feed on light- colored apple snails and Avian limpkins feed on medium- sized apple snails, this means that these species are not better as they can be easily captured by their predators.

The dark colored, small- sized snails and dark- colored, large- sized snails will be better adapted to live in the environment as they will not attract the predators. Hence, they will survive and reproduce.

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3 years ago

A hypothetical organ has the following functional requirements: (1) the ability to resist surface abrasion and mechanical stress

alukav5142 [94]

Answer:

The <u>five</u> tissues needed that could make up this hypothetical organ are stratified squamous epithelial tissue, smooth muscle tissue, dense irregular connective tissue, loose connective tissue, and nervous tissue.

Explanation:

<h3 /><h3>Ability to resist surface abrasion and mechanical stresses</h3>

Stratified squamous epithelial tissue

This consists of <em>scale-like cells</em> stacked together in layers that provide a <u>barrier that is resistant to abrasions and wear-and-tear</u>. This is also the most common type of stratified epithelium in the body. The top layer of this tissue has two types: <u>keratinized</u>, lined with dead cells with keratin, and <u>non-keratinized</u>, also with dead cells but without the keratin. In the human body, the skin is composed of stratified squamous epithelium.

<h3>Ability to contract involuntarily when stimulated by cells of the nervous system</h3>

Smooth muscle tissue

Smooth muscle, known for its <em>non-striated appearance,</em> is a kind of <u>involuntary</u> muscle cells that are <u>stimulated by neural signals by the autonomic nervous system, hormones, and local factors</u> such as a wall stretch of a certain organ, inflammation of visceral/parietal organs, etc. In the human body, this is mostly found in the <u>walls of blood vessels and organ systems.</u>

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<h3>Ability to resist tension in many different planes of force</h3>

Dense irregular connective tissue

This is a kind of connective tissue made up of <u>collagen fibers arranged randomly.</u> This creates <u>greater strength and support in all directions</u>. It can also <u>return to its original shape</u> even after stretching.

<h3>One tissue to "glue" all other tissues together</h3>

Loose connective tissue

Also known as areolar tissue, it is loosely made up of collagen, elastin, and reticular fibers, and lots of ground substance. It is arranged in a web-like fashion and serves as the "cement" which fills in spaces between tissues.

<h3>One tissue to stimulate the contracting cells</h3>

Nerve tissue

It is a specialized kind of tissue responsible for communication within the body. It transmits and receives signal impulses throughout the body. The 2 types of nervous tissues are neurons and neuroglia.

5 0

4 years ago

"Solar storms, like the one in the video, may have caused a dramatic increase in nitrous oxide in Earth's early atmosphere, allo

omeli [17]

Answer:

Option C

Explanation:

The cyanobacteria is the oldest life form that once existed on planet earth some 3.7 billion years ago. These cyanobacteria formed layered structures fossils which are called as stromatolites

Hence, stromatolites are the fossilized colonies of cyanobacteria.

A set of rocks in Greenland show the evidence of cyanobacteria as a living organism.

These stromatolites have layered structure of bio-chemical accretionary that are produced by trapping sedimentary grains through biofilms of microorganisms such as cyanobacteria.

Hence, option C is correct

5 0

3 years ago