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Biology

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Frederik Thompson

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โˆ™ 2021-10-05 18:34:29
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Cards in this guide (21)
What is an angiosperm

It is a plant that has flowers and produces seeds enclosed within a carpel. The angiosperms are a large group and include herbaceous plants, shrubs, grasses, and most trees.

Angiosperms (a plant whose ovules are enclosed in an ovary) are commonly referred to as "flowering plants", as opposed to gymnosperms, or "cone bearing plants."

Angiosperms form a phylum, the phylum Anthophyta. Angiosperms are also called anthophytes or magnoliophytes. The sporophyte is dominant and the gametophyte is the most reduced of all plants. There are so far more than 300,000 far named angiosperms. Angiosperms evolved in the Cretaceous. Many have close-bound mutualisms with pollinating insects.

Angiosperms are divided into monocotyledons and eudicotyledons (dicotyledons)

What is taxonomy

a method of grouping organisms

a way of classifying organisms

What is speciation

The formation of two or more species from a common ancestors

What is gene flow

Gene flow is genes moving between two populations.

the transfer of genes from one gene pool to another

two populations transferring genes

What is cladistics

A system that groups organisms by ancestry

Why are archaea in a different domain from bacteria

They are thought to have separate paths of evolutionary development.

They developed along different evolutionary paths.

They had independent evolutionary development.

Which organisms would have the most similar traits

Organisms in the same scientific order would have the most similar traits.

Why did DNA technology lead to more use of cladistics

It showed that different-looking animals are actually related.

It showed new evolutionary relationships between animals.

it changed ideas about which animals were closely related

What did eukaryotes most likely evolve from

Eukaryotes most likely evolved from prokaryotes.

What happened after plants first became able to live on land

Adaptive radiation spread them into many land niches

What was the purpose of miller and ureys experiment

To see if simple molecules can combine spontaneously.

What does a colleague do that helps a scientist do a better experiment

The scientist can provide a warning about a common mistake.

A scientist helps a colleague do a better experiment by

offering advice about how best to perform a standard procedure -apex

A specimen collection helps a scientist do an experiment by

Apex, providing access to objects that are hard to find.

What must be true of prokaryotes evolved into eukaryotes by absorbing other cells

The ability to absorb other cells gave a survival advantage.

By serving a resource for investigators a specimen collection increases the reliability of scientific knowledge what best explains why this might be true

Apex, different scientists can observe and analyze the same items.

How are organisms in the domains bacteria and archaea simliar

They lack a nucleus.

Which is a kingdom

protista

Which best describes the earliest land plants

Lived in a close contact with water

Which organisms are most closely related

Apex is Mergus serrator and Mergus merganser.

Which of these organisms is a vertebrate

Apex is chimpanzee..

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