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1 vote

Why do fruits have to ripen?

Some of the main reasons for delayed fruit ripening are to protect immature seeds, to save energy, and incompatibility between fruit and flower morphologies. Fruits that are sweet have generally ...
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0 votes

Do plants digest substances they ingest?

It's unclear to me if the question is asking generally about all plants, or only refers to digestion of food items by carnivorous plants. If asking about plants generally, they don't to my knowledge ...
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-1 votes

Do plants originate from a single cell

Bro, most life on earth start drom a single celled condition called the zygote. And it is applicable to most plants also ( I say "most" because biology is full of exceptions and pretty much ...
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7 votes
Accepted

Coniferous tree with alternating bunches of short needles (Toronto area)

Short Answer Larix laricina, commonly called Tamarack or American Larch is a deciduous conifer with short-needle-like leaves arranged in bunched fascicles in a alternating (sometimes whorled) ...
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2 votes

Tree identification in the Caribbean

The photos of this tree indicate that it is a horseradish-tree (Moringa oleifera). See https://rngr.net/publications/common-trees-of-puerto-rico-and-the-virgin-islands as well as google searches of ...
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18 votes
Accepted

This looks like it was somebody’s home - but who?

That looks similar to the dried fruit of Echinocystis lobata (wild cucumber), which grows throughout New York. The fruit is about the right size (~3 cm) and shape, whereas the best alternative I can ...
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  • 5,203
3 votes
Accepted

Shape of the first leaves of a plant

They are referred to as cotyledons (seed-leaves). Apples as specified in the question are dicotyledons, they have two seed-leaves. Some other plants are monocotyledonous, i.e. just have a single seed ...
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1 vote
Accepted

Is it scientifically sound to pool repeated measurements?

Your intuition is largely correct here. Bryan Krause's comments focus on where your answer is wrong. Some of his statements are true, others are speculative. His answer, combined with your intuition, ...
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