The Cambrian Explosion Occurred Primarily in the Oceans

question 93

Multiple Choice

The Cambrian explosion occurred primarily in the oceans.The first challenges that had to be overcome during the mass colonization of dry land in the Ordovician period were

• A) support of body structure without buoyancy in water, movement, and reproduction.
• B) photosynthesis, cellular respiration, and reproduction.
• C) DNA replication, photosynthesis, and cellular respiration.
• D) DNA replication, phagocytosis, and cellular respiration.

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Definitions:

Actuarial Information

Data and analysis provided by actuaries, concerning the evaluation of financial risks, especially those related to insurance and pensions, using mathematics, statistics, and financial theories.

Capital Lease

A lease agreement that is classified as a purchase by the lessee for accounting purposes, allowing the lessee to benefit from asset depreciation and interest expense deductions.

Present Value

The current value of a future sum of money or stream of cash flows given a specified rate of return, often used in discounting cash flows.

Annuity Due

An annuity where payments are made at the beginning of each period instead of the end.