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xz_007 [3.2K]
3 years ago
6

9) Many gardeners use a chemical weed-killer to control plant pests in their gardens. However, many weeds have begun to develop

a resistance to these chemical poisons. This is an example of _________________ in action.
Biology
2 answers:
ira [324]3 years ago
3 0
Could be adaption????
Diano4ka-milaya [45]3 years ago
3 0

Answer:

This is an example of natural selection in action.

Explanation:

    The action of natural selection consists in selecting individuals more adapted to a given ecological condition, eliminating those disadvantaged for that same condition. The most appropriate expression refers to the greater probability of a given individual surviving and leaving descendants in a given environment.

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What is pollination? Identify three ways pollen can be transferred. How is cross-pollination different
Stells [14]

Answer:

The transfer of pollen to a stigma, ovule, flower, or plant to allow fertilization. It can be transferred by things that feed from what has pollen. Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant. Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.

3 0
2 years ago
What makes up sediment? A Minerals and water/B Sea shells and oxygen/C Water and rock fragments/D Rock fragments and minerals
Georgia [21]
D rock fragments and minerals
5 0
3 years ago
Soil degradation is primarily attributed to:
marusya05 [52]
B is the correct answer
5 0
3 years ago
I NEEED HELP AS QUICK AS POSSIBLE!!!
AysviL [449]

Answer:

the right answer is D

5 0
2 years ago
Read 2 more answers
The recommended order of draw for a complete blood count, prothrombin time, and cholesterol is:________
nalin [4]

Answer:

The use of the word "draw" here refers to the collection of blood samples for laboratory tests.

Step A - The first draw goes into the blood culture bottle or tube with a yellow cover.

Step B - This goes into the coagulation tube with a blue cover.

Step C - The next draw goes into the tube for non-additives. This usually has a red top

Step D - This features collection of blood into the tubes with additives. When dealing with additives, blood samples and additives it is important that the sample and additive is rigorously homogenized. This part can is broken down as follows:

  1. this goes into the SST tube. This tube contains a seperator and a clot activator and is usually is colour coded reddish-gray or gold top.
  2. This tube contains Sodium heparin and has a leaf green top
  3. This tube (PST) contains PST contains lithium heparin anticoagulant and a gel separator.  It's cover is colour coded light green
  4. This tube contains Ethylenediaminetetraacetic acid or EDTA for short. It's cover is usually colour coded lavendar
  5. This tube is labelled ACD that is Acid Citrate Dextrose. It's top is coded light yellow
  6. this tube contains Oxalate/Fluoride and it's cover must be colour coded gray.

Cheers!

4 0
3 years ago
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