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anygoal [31]
3 years ago
5

What is the Precambrian time A) 4 billion years between the first eon and the last won B) the first won C) the last eon D) the f

irst three eons
Biology
1 answer:
Y_Kistochka [10]3 years ago
6 0

Explanation:

The Precambrian covers almost 90% of the entire history of the Earth. It has been divided into three eras: the Hadean, the Archean and the Proterozoic. The Precambrian Era comprises all of geologic time prior to 600 million years ago.

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B)<span>limited number of healthcare providers
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3 years ago
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How can I set up a wildflower classification key?
s344n2d4d5 [400]

Answer:

There are 3 methods to set up a wildflower classification means discovering a new flower. Those methods are discussed below in the explanation section.

Explanation:

Method one (Identification tools using):

  1. Search the about of the flower in the flower dictionary or flower database.
  2. Use any app which can identify flower such as Flowerchecker, Naturegate, etc.
  3. Take photos of the plant and post it on Flicker to get more information.
  4. Try google photos for searching about the plant by its picture.

Method two( Measuring the physical character of the plant):

  1. Measure the overall height of the plant.
  2. Measuring the width of the plant.
  3. Look at the flower to check how the flower is arranged on the stem.
  4. Count the petal number of the flower.
  5. Identify the color of the petals.
  6. Check the shape and texture of the stem.
  7. Check the shape, size, and arrangement of the leaves in the plant.
  8. Use this collected information to identify the flower in a plant database or encyclopedia.

Method three (Identifying the Flower’s Location and Blooming Time):

  1. Use the climate and terrain to determine the type of the flower.
  2. Observation of the factors in the geographic location to identify the flower.
  3. Find out the time of year when the flower bloomed.
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By doing this, you can set up a wildflower classification key and can find out the kingdom, family etc of the flower.

3 0
4 years ago
What evolutionary event set humans on a different path than apes?
arlik [135]

Answer:

when the first homeosapien stood on two legs and walked the earth

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history of evolution has always stated that the event was when "we" stood on the earth

3 0
4 years ago
True or false? during cytokinesis in plant cells, does the new cell membrane forms before the new cell wall or after after the n
lianna [129]

Answer:

True

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It is true because the cytoplasm is partitioned by the construction of a new cell wall, the cell plate, inside the cell

8 0
2 years ago
What is the STRUCTURE of DNA? (Include the bases and pairing)?*<br> PLEASE HELP ASAP!!!!!
Nimfa-mama [501]
The structure is a helix structure.
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