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Sergio [31]
3 years ago
6

WILL DO BRAINLY. The diagram shows fossils embedded in rock layers.

Biology
1 answer:
malfutka [58]3 years ago
5 0

Answer:

D)

Explanation:

Since the fossil is on the second layer anything above that is formed directly after since it is on the top. Meanwhile everything below that was formed before.

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What novel characteristics are shared by gymnosperms and angiosperms but not by mosses and ferns?
sergejj [24]

Explanation:

Mosses go through sporophyte and gametophyte stages in their life cycle. ... However, mosses are nonvascular while ferns are vascular. Gymnosperms and angiosperms are both vascular, seed-bearing plants. However, gymnosperms release their seeds in cones (like pinecones) while angiosperms release their seeds through flowers.

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3 years ago
How does atherosclerosis affect blood pressure?
mel-nik [20]

Answer:

Blood pressure is cardiac output versus resistance, especially in the capillaries.

Explanation:

When they get atherosclerosis, which is plaque in the arteries, there’s more resistance in the blood vessels and that raises blood pressure

4 0
3 years ago
1. An unbalanced force propels
KATRIN_1 [288]

The answer would be C.

Hope this helps!

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6 0
3 years ago
Read 2 more answers
Which of the following pairs of protists and their ecological roles are correctly matched?
melisa1 [442]

Answer:

The correct pair is A: "apicomplexans—parasites of animals"

Explanation:

  • Euglenophyta is a group of unicellular, eukaryotic organisms. They are small, free-living forms, or parasites that present different feeding mechanisms and behaviors, such as heterotrophy, autotrophy, or mixotrophy.
  • Dinoflagellates are unicellular, flagellated, free-living protists that might form colonies. Most of them are autotrophic organisms but some of them are heterotrophic, or mixotrophic. In these last cases, dinoflagellates can feed on other dinoflagellates, protozoans, or diatoms. They can also be parasites.
  • Entamoebas are endoparasitic organisms with no mitochondria as an adaptation of living in environments with low oxygen concentration.
  • Apicomplexa is a unicellular, protist group. They have medical and economic importance as they are<u> animals</u> and human parasites. They have an apical complex that helps them to fixate to the host cell and release a substance that provokes an invagination in the host membrane. This invagination allows the parasite to get into the host cell.
5 0
3 years ago
One theory of human evolution suggests that Homo erectus evolved directly into Homo sapiens (humans), after which point Homo ere
Reptile [31]

Answer:

The correct answer will be option-C.

Explanation:

The evolution of human species in which one species transformed into another species evolves by a mechanism known as anagenesis.

Anagenesis is the mechanism of evolution which transform one species into a different species within a lineage. This process is slow and takes time to form species, therefore, is also known as gradualism or phyletic transformation.

The<em> Homo sapiens</em> evolved from<em> Homo erectus </em>where<em> Homo sapiens </em>overwrites the ancestral species and caused the species to become  extinct.

Thus, Option-C is the correct answer.

5 0
3 years ago
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