The Earth's system is divided in four subsystems: land (lithosphere), water (hydrosphere), air(atmosphere) and living things (biosphere).
Carbon is sixst most common chemical element on Earth.
<span>The most carbon on Earth is stored in a surprising place: the ocean.</span><span>This means that the most of carbon is stored in the lithospehere.
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Carbon is most abundant in the core and in the atmosphere.
The correct answers are:
Trematodes are acoelomates that have effective defenses against attack by their hosts' immune system.
Trematodes are flatworms, internal parasites known as flukes. Their life cycle is complex: they sexually reproduce in vertebrates and asexual reproduce in mollusks (mostly snail). The body of flukes is covered with tough tegument that defends them form digestive enzymes of host’s intestine.
Cnidarians are diploblasts that produce complex, capsule-like organelles.
Cnidaria are water organisms with simple structure: two layers of epithelium and a jelly substance between them. The cells of Cnidaria-cnidocytes contain capsule with venom substance in it with protective role.
Answer: pros = high quality foods, more effecient farming, effective measure to reduce the stravation problem, products will have a longer shelf-life
cons= food exports may shrink, spread of plant diseases, health problems related to GMOS
Explanation: look it up and you will find more pros and cons!
Answer:
A. Many environments are not suitable for fossil formation.
