Answer:
During fertilization, the sperm and egg unite in one of the fallopian tubes to form a zygote. Then the zygote travels down the fallopian tube, where it becomes a morula. Once it reaches the uterus, the morula becomes a blastocyst. The blastocyst then burrows into the uterine lining — a process called implantation.
Explanation:
Answer:
Consumer
Explanation:
Producers are organisms that make their own food (plants), hosts are, well, hosts for parasites, and decomposers break down dead organisms (like mushrooms), so your answer is consumer.
Answer: C
Explanation:
A peptic ulcer is an erosion in a segment of the gastrointestinal mucosa, typically in the stomach (gastric ulcer) or the first few centimeters of the duodenum (duodenal ulcer), that penetrates through the muscularis mucosae.
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Secondary succession usually occurs faster than primary succession because the substrate is already present. Compared to the image below, secondary succession does not need to have pioneer species colonize the land nor does decomposition need to occur to create a layer of topsoil.
The answer would be D)hormones
