The annual rings found in the wood of trees are formed by rings of __.
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Which type of root is important in food storage in dicot pla…
Which type of root is important in food storage in dicot plants such as carrots and radishes?
The organ that secretes bile and also functions in the excre…
The organ that secretes bile and also functions in the excretion of drugs, hormones, and toxins is the _________.
The leaflike, green, flower structure that covers and protec…
The leaflike, green, flower structure that covers and protects the bud is the ___.
In the fern life cycle, the ___ generation is dominant.
In the fern life cycle, the ___ generation is dominant.
Pollen grains contain 2 non-flagellated sperm that travel by…
Pollen grains contain 2 non-flagellated sperm that travel by a pollen tube to the ovule in the ovary.
Which of the following is incorrect regarding vascular plant…
Which of the following is incorrect regarding vascular plants without seeds?
Which element is NOT one of the most common ones in a plant?
Which element is NOT one of the most common ones in a plant?
Slender, stalk-like structure that supports the stigma.
Slender, stalk-like structure that supports the stigma.
Which of the following factors affects the availability of m…
Which of the following factors affects the availability of minerals to plants?