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Maru [420]
2 years ago
6

An survey makes use of evidence, such as the footprints left behind by animal, to follow animals that re difficult to track.

Biology
1 answer:
gtnhenbr [62]2 years ago
7 0

The correct word to fill the gap would be indirect.

In other words, an indirect survey makes use of evidence, such as the footprints left behind by animals, to follow animals that are difficult to track.

Ecological surveys are of 2 types:

  • Direct
  • Indirect

Direct ecological surveys have to do with studying phenomena directly and recording whatever that is observed.

Indirect surveys involve an indirect way of studying phenomena. The signs left by phenomena are observed and logically used to make deductions about such phenomena.

More on ecological surveys can be found here: brainly.com/question/1182023?referrer=searchResults

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Why do sandy beaches form at many sea shores?
dedylja [7]

Waves deposit fine sediments from weathered coastal rocks on the shore.

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2 years ago
Complement proteins and antibodies coat a microorganism and provide binding sites, enabling macrophages and neutrophils to phago
Lera25 [3.4K]

Opsonization.

Explanation:

  • Complement proteins and antibodies coat a microorganism and provide binding sites, enabling macrophages and neutrophils to phagocytize the organism. This phenomenon is termed opsonization.

Opsonization occurs as a result of binding of a molecule called opsonin to the epitope of a pathogen.

Opsonization helps the immune system to select and kill the infected cells instead of targeting all the cells in general.

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3 years ago
Basaltic magma is very fluid. What type of volcano and eruption would basaltic magma most likely produce?
Dmitry_Shevchenko [17]

The right option is; C. cinder cone, a pyroclastic flow with no explosion

Basaltic magma is a fluid rock material produced from basalt and it has high amounts of iron and magnesium, and low amounts of silica. Basaltic magma is formed within the earth when a part of the earth's mantle is melted. Basaltic magma produces three different types of lava or volcanic deposits which are scoria, ash or cinder, and lava flows.

4 0
3 years ago
Read 2 more answers
A permeable rock that contains hydrocarbon fluids and gases is called a(n) ______.
geniusboy [140]
The world has the least amount of oil as for fuel. All oil traps contains an impermeable layer but a permeable rock that contains hydrocarbon fluids and gases is called a(n) oil reservoir. Whereas syncline is least likely to contain an oil trap. In U.S oil production is less than oil consumption.
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The type of reproduction that is most often used by multicellular organisms is.
Nezavi [6.7K]

Meiosis is involved in the formation of the gametes of multicellular organisms.

<h3>How do multicellular organisms reproduce?</h3>

Both plants and animals reproduce by developing new individuals, through gametes or reproductive cells.

<h3>Characteristics of multicellular organisms reproduction</h3>

  • Many multicellular organisms always arise from a single cell called a zygote, the result of the union of two gametes (female and male).

  • The zygote subdivides rapidly throughout gestation, forming the entire body of the creature that, from its birth, begins to grow.

Therefore, multicellular organisms reproduce by means of certain types of reproductive cells that are generated and take care of building a complete new individual.

Learn more about multicellular organisms reproduction here: brainly.com/question/220315

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