The Oldest Microfossils Are of

question 7

Multiple Choice

The oldest microfossils are of

• A)prokaryotes.
• B)eukaryotes.
• C)insects.
• D)pollen grains.
• E)small animals.

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Definitions:

Enzymes

Proteins that catalyze biochemical reactions in living organisms, significantly speeding up the rate of virtually all of the chemical reactions that occur within cells.

Packet Filtering

A method used by firewalls to control network access by monitoring outgoing and incoming packets and allowing them to pass or halt based on the source and destination IP addresses, protocols, and ports.

Biometric Authentication Device

A device that uses some unique characteristic of human biology to identify authorized users.

CAPTCHA

A system designed to distinguish human from machine input, typically as a way of thwarting spam and automated extraction of data from websites.