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arlik [135]
2 years ago
11

Learning Task 1: WORD UP

Biology
1 answer:
HACTEHA [7]2 years ago
7 0

The words for the descriptions are food chain, trophic level, energy pyramid, high diversity, low diversity, etc. respectively.

<h3>Ecology</h3>
  • The feeding relationship that exists among organisms is termed the food chain.

  • Each step in the transfer of energy and matter in a community is termed the trophic level.

  • A community or group of living organisms that live in and interact with each other in a specific environment is termed an ecosystem.

  • A diagram that compares the energy used by producers, primary consumers, and other trophic levels is known as the energy pyramid.

  • An ecosystem with a high number of species is said to be of high diversity.

  • An ecosystem with a few prominent species and a low number of other species is said to be of low diversity.

  • Organisms that feed on and break down organic matter are said to be decomposers.

  • Organisms that can make their own food in the ecosystem are termed, producers.

  • Animals that feed on flesh are called carnivores.

  • A system of interlocking and interdependent food chains is called a food web.

More on ecology can be found here: brainly.com/question/13046612

#SPJ1

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Answer:

Laws of stratigraphy help scientists determine the relative ages of rocks. This law states that deeper rock layers are older than layers closer to the surface. An unconformity is a gap in rock layers. They occur where older rock layers eroded completely before new rock layers were deposited.

Explanation:

The study of rock strata is called stratigraphy. The laws of stratigraphy can help scientists understand Earth’s past. The laws of stratigraphy are usually credited to a geologist from Denmark named Nicolas Steno. He lived in the 1600s.

Hope this helps!

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What claim implies the tea
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Answer:

D.

Explanation:

The immune system lowers the chances of bacteria, viruses, and diseases entering your body

8 0
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A biologist examines a series of cells and counts 160 cells in interphase, 20 cells in prophase, 6 cells in prometaphase, 2 cell
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Answer:

M phase: 4.8 hr

Prophase: 2.4 hr

Prometaphase: 0.72 hr

Metaphase: 0.24 hr

Anaphase: 0.84 hr

Telophase: 0.6 hr

Explanation:

Mitosis, also known as M phase, is the process of nuclear division after interphase, which is followed by cytoplasmic division via cytokinesis. Mitosis can be subdivided into the following phases: Prophase,  Prometaphase, Metaphase, Anaphase, and Telophase. In this case, 160 cells are in interphase (for a total of 200 cells), thereby 40 cells are in mitosis >> 200 - 160 = 40 cells. Since the complete cell cycle requires 24 hours, it is possible to calculate the average duration of each phase:

M phase: 40/200 = 0.2 x 24 hr = 4.8 hr

Prophase: 20/200 = 0.1 x 24 hr = 2.4 hr

Prometaphase: 6/200 = 0.030 x 24 hr = 0.72 hr

Metaphase: 2/200 = 0.01 x 24 hr = 0.24 hr

Anaphase: 7/200 = 0.035 x 24 hr = 0.84 hr

Telophase: 5/200 = 0.025 x 24 hr = 0.6 hr

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The correct answer is option B, that is, an endoskeleton evolved to enclose the dorsal nerve cord, which develops from the notochord.

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It has been discovered that the ancestors of the modern-day fish were vertebrate chordates. The vertebrate chordates are considered to have evolved from the invertebrate chordates that are identical to the present day tunicates. It has been found that in vertebrates the endoskeleton has evolved to encompass the dorsal nerve cord that has been developed from the notochord (a characteristic of invertebrates).

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