Bio accumulation of DDT lead to bird eggs with weak shells and non viable offspring. The lethal effects of DDT on birds was first noted in 1950; scientists discovered that earthworm was accumulating the DDT pesticide and that the robins that were preying on the earthworms were been poisoned. Further research revealed that the chemical cause thinning of the egg shell and production of non viable offspring. The chemical has since been banned in USA.
Interstitial cells surrounding seminiferous tubules produce testosterone in response
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Answer:
no your 1st answer is wrong it must be a deer beacause it affects the food chain of many carnivores.
Explanation:
- d
- a because it will definitely affect the eco system
- c it's the correct answer
- c it's also the correct answer ☺️
If it has valves then it is a vein.
