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valentinak56 [21]
3 years ago
5

A student wants to test the effect of nitrogen rich fertilizers on the growth of rose bushes. Which of the following is a variab

le that must be kept constant?
Growth of the rose bush
Amount of water the rose bush receives
The use of nitrogen rich fertilizer
Biology
1 answer:
Alchen [17]3 years ago
7 0
I believe the answer is the second one.
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I’d go with B. (if it’s not then C)

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Honey bees undergo complete metamorphosis. Which answer below correctly outlines the steps in honey bee development from egg to
frosja888 [35]

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its C your welcome

Explanation:

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The answer is the letter B. Electrical signals.

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1 year ago
Match the following.
lianna [129]

Answer:

The correct match is given below:

Explanation:

  1. A flower containing a pistil, stamen, calyx, and corolla – Complete flower. When a flower consists of essential whorls pistil and stamen and accessory whorls calyx and corolla, the flower is said to be complete.
  2. The collective term for the petals of a flower- Corolla. The corolla is a accessory whorl which consist s of its unit called petal.
  3. It has pistils, but no stamens - Female flower. A flower with only pistil is called unisexual pistillate flower.
  4. A stalk which supports the anther – Filament. A typical stamen consists of an anther, connective and a filament.
  5. A flower that lacks one or more of the following parts: pistil, stamen, calyx, or corolla corolla.—Incomplete flower. A flower which lacks any of the essential or accessory whorl is called incomplete flower.
  6. A flower that has male parts only – Male flower.  A flower with only stamen is called unisexual staminate flower.
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