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krok68 [10]
2 years ago
8

What are 4 things do all chordatas share

Biology
1 answer:
Lapatulllka [165]2 years ago
5 0
Animals in the phylum chordata share four key features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a postanal tail.


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Why do all minerals look different
sleet_krkn [62]

Answer:

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7 0
3 years ago
If sperm and egg cells have half of the number of chromosomes found in other body cells, how do gametes form?
Pavel [41]
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3 years ago
The atomic mass of an element is equal to the:
arlik [135]

The answer should be the third option "number of protons and neutrons." The atomic mass of a element is equal to the amount of protons, and neutrons added together in that element. So for example if we are trying to find the atomic mass of hydrogen you would add the total amount of protons and neutrons together to find it's mass although it doesn't equal the exact amount of it's mass but it's close.

Hope this helps.

4 0
3 years ago
Which statement best describes the process by which the millions of body cells that form a housefly can all contain the same gen
Brut [27]
DNA replication?
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5 0
3 years ago
Can you identify which organisms are on which trophic levels in an intertidal community?
Ulleksa [173]

Answer:

The producers-Sea weed-Perform photosynthesis.

The filter feeders- sponges, chiton-eat floating planktons.

Grazers -Snails,mussels feed on- floating planktons.

Carnivores such as sea stars feeds on snails

Explanation:

  • The producers are placed at the bottom level in energy pyramid and are prime factor in the aquatic eco system which provides energy and perform photosynthesis with the help of water,sunlight and chlorophyll.
  • The filter feeders are those that feeds upon small particles that are present in the water.
  • Grazers are those organisms that feeds on producers like phytoplanktons.
  • Carnivores are those organisms that feeds on herbivores.

6 0
3 years ago
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