I believe it is gene sex chromosones...
Answer: Here are some ecosystems i've heard of: are forests, grasslands, deserts, tundra, freshwater and marine. The word “biome” may also be used to describe terrestrial ecosystems which extend across a large geographic area, such as tundra.
The four ecosystem types are classifications known as artificial, terrestrial, lentic and lotic. Ecosystems are parts of biomes, which are climatic systems of life and organisms. In the biome's ecosystems, there are living and nonliving environmental factors known as biotic and abiotic.
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Muscles.
your tissue is attached to a dermis which is basically your muscle and bone so muscles is the answer
The first image is the answer.
<span> the answer is progesterone
hopes this helps
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