Explanation:
ECOSYSTEM:
BIOTIC AND ABIOTIC FACTORS
An ecosystem includes all living things (Biotic factors) and their non-living environments (Abiotic factors), in a given area, interacting with each other.
Write any three biotic and three abiotic factors in the given picture.
D. Staying connected to friends.
Answer:
Contractility
Explanation:
Contractility is the ability of muscle cells to forcefully shorten.
Answer:
True
Explanation: a heart attack is the literal definition for myocardial infarction.