How much similarity can be seen between the current body plans of How do you know if two related organisms are members of the same species? This is the answer key's answer so if someone could actually go on the website that I will have down below or either paraphrase this There is considerable similarity in the body plans of ancient animals and today’s
animals. The basic body plan of the elephant was evident in the tiny pikaia, a
small swimming animal. The body plan of this animal was passed on to fish,
amphibians, reptiles, birds and mammals.

That would be great!

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wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.