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IrinaK [193]
3 years ago
11

What important adaptation helped protect organisms of the early cambrian period?

Biology
2 answers:
jolli1 [7]3 years ago
8 0
The hard body parts the organisms had.
MrRissso [65]3 years ago
5 0

The right answer is hard body parts.

A significant change in the environment is a challenge for existing animals; those who until then were perfectly adapted to their environment soon see their existence become more difficult and, natural selection being at work, it is essential that their direct descendants "adapt" to the new conditions under penalty of being eliminated.

Strange animal lineages were identified during this period: some are found in current offspring but most have disappeared without trace: animals that did not give offspring were as well-armed as the others to survive and the others had "found" very ingenious adaptations.

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During metamorphosis, a tadpole's tail is reduced in size by the process of ______. A. regeneration B. apoptosis C. oxidative ph
jolli1 [7]

The process of apoptosis, I believe, is when the tadpole's tail is reduced in size during metamorphosis.

In most animal phyla, metamorphosis actually takes place in conjunction with morphological, ecological, and physiological changes.

Marine invertebrates' larva behaves as a drifting tiny creature in the ocean, expanding its habitat distribution to find the best location for its survival.

When muscle cells undergo apoptosis, which is the final stage of their metamorphosis, they are split into membrane-bound muscle fragments and consumed by macrophages.

As a tadpole becomes a frog, apoptosis occurs. The cells in its tail are induced and it will be lost.

<em />

<em>Image: Metamorphosis of a frog

</em>Learn which protein is responsible for initiating apoptosis in the cytosol of the target cell: brainly.com/question/28275150

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1 year ago
How do fungi play an essential role in maintaining equilibrium in an ecosystem?
Vladimir79 [104]
Fungi act as decomposers on dead plants and animals so they don't vlog everything up! Hope this helps. 
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3 years ago
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ch4aika [34]

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4 0
3 years ago
Apples as we know them today did not always exist. All apple varieties available to us today are derived from the wild relative
Vesnalui [34]

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The correct answer is letter D. Conventional breeding

Explanation:

In conventional genetic improvement a plant is crossed with another of the same species, with no incorporation of genes from another organism into the plant's genome, requiring repeated crossings until reaching the desired improved cultivar. Only in transgenics or genetic engineering are genes from another organism incorporated into the plant's genome.

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This system is responsible for movement of bones and fluids throughout the body.
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skeletal system is for bones and the circulatory system is for fluids

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